diff --git a/ch09-writing-your-own-methods/ask.rb b/ch09-writing-your-own-methods/ask.rb
index 01716eb35..1b2f8635c 100644
--- a/ch09-writing-your-own-methods/ask.rb
+++ b/ch09-writing-your-own-methods/ask.rb
@@ -1,3 +1,32 @@
 def ask question
-  # your code here
-end
\ No newline at end of file
+  while true
+    puts question
+    reply = gets.chomp.downcase
+    if (reply == 'yes' || reply == 'no')
+      if reply == 'yes'
+        return true
+      else
+        return false
+      end
+      break
+    else
+      puts 'Please answer "yes" or "no".'
+    end
+  end
+end
+
+puts 'Hello and thank you blah blah'
+ask 'Do you like eating tacos?'
+ask 'Do you like eating burritos?'
+wets_bed = ask 'Do you wet the bed?'
+ask 'Do you like eating chimichangas?'
+ask 'Do you like eating sopapillas?'
+puts 'Just a few more questions...'
+ask 'Do you like drinking horchata?'
+ask  'Do you like eating flautas?'
+
+puts
+puts 'DEBRIEFING:'
+puts 'Thank you for...'
+puts
+puts wets_bed
diff --git a/ch09-writing-your-own-methods/old_school_roman_numerals.rb b/ch09-writing-your-own-methods/old_school_roman_numerals.rb
index ca6589f2d..456dd7c26 100644
--- a/ch09-writing-your-own-methods/old_school_roman_numerals.rb
+++ b/ch09-writing-your-own-methods/old_school_roman_numerals.rb
@@ -1,3 +1,17 @@
 def old_roman_numeral num
-  # your code here
-end
\ No newline at end of file
+roman = ""
+roman = roman + "M" * (num / 1000)
+roman = roman + "D" * (num % 1000 / 500)
+roman = roman + "C" * (num % 500/ 100)
+roman = roman + "L" * (num % 100 / 50)
+roman = roman + "X" * (num % 50 / 10)
+roman = roman + "V" * (num % 10 / 5)
+roman = roman + "I" * (num % 5 )
+roman
+end
+
+puts old_roman_numeral 17
+puts old_roman_numeral 1567
+puts old_roman_numeral 222
+puts old_roman_numeral 865
+puts old_roman_numeral 4000
diff --git a/ch09-writing-your-own-methods/roman_numerals.rb b/ch09-writing-your-own-methods/roman_numerals.rb
index 5c93b59ac..63be22484 100644
--- a/ch09-writing-your-own-methods/roman_numerals.rb
+++ b/ch09-writing-your-own-methods/roman_numerals.rb
@@ -1,3 +1,52 @@
 def roman_numeral num
-  # your code here
-end
\ No newline at end of file
+  thousands_to_convert = (num / 1000)
+  hundreds_to_convert = (num % 1000 / 100)
+  tens_to_convert = (num % 100 / 10)
+  units_to_convert = num % 10
+
+if thousands_to_convert <= 3
+  converted_thous = "M" * thousands_to_convert
+end
+
+if hundreds_to_convert <= 3
+  converted_huns = "C" * hundreds_to_convert
+elsif hundreds_to_convert == 4
+  converted_huns = 'C' + 'D'
+elsif hundreds_to_convert == 5
+  converted_huns = 'D'
+elsif hundreds_to_convert > 5 && hundreds_to_convert < 9
+  converted_huns = 'D' + "C" * (hundreds_to_convert - 5)
+elsif hundreds_to_convert == 9
+  converted_huns = 'C' + "M"
+end
+
+if tens_to_convert <= 3
+  converted_tens = "X" * tens_to_convert
+elsif tens_to_convert == 4
+  converted_tens = 'X' + 'L'
+elsif tens_to_convert == 5
+  converted_tens = 'L'
+elsif tens_to_convert > 5 && tens_to_convert < 9
+  converted_tens = 'L' + "X" * (tens_to_convert - 5)
+elsif tens_to_convert == 9
+  converted_tens = 'X' + "C"
+end
+
+if units_to_convert <= 3
+  converted_units = "I" * units_to_convert
+elsif units_to_convert == 4
+  converted_units = 'I' + 'V'
+elsif units_to_convert == 5
+  converted_units = 'V'
+elsif units_to_convert > 5 && units_to_convert < 9
+  converted_units = 'V' + "I" * (units_to_convert - 5)
+elsif units_to_convert == 9
+  converted_units = 'I' + "X"
+end
+
+converted_num = converted_thous + converted_huns + converted_tens + converted_units
+puts converted_num
+converted_num
+end
+roman_numeral 119
+roman_numeral 101
diff --git a/ch10-nothing-new/dictionary_sort.rb b/ch10-nothing-new/dictionary_sort.rb
index c9893d0fd..1b00fd95a 100644
--- a/ch10-nothing-new/dictionary_sort.rb
+++ b/ch10-nothing-new/dictionary_sort.rb
@@ -1,3 +1,34 @@
-def dictionary_sort arr
-  # your code here
-end
\ No newline at end of file
+def dictionary_sort some_array
+recursive_sort some_array, []
+end
+
+def recursive_sort unsorted_array, sorted_array
+final_array = []
+sorting_hash = Hash.new 0
+lookup_value = 0
+sorting_array = []
+unsorted_array.each do |x|
+  sorting_hash[x.downcase] = x
+end
+unsorted_array.each do |x|
+  sorting_array.push(x.downcase)
+end
+while sorting_array.length > 0
+  smallest_word = sorting_array.pop
+  sorting_array.each do |x|
+    if x == smallest_word
+      sorted_array.push(x)
+    elsif x < smallest_word
+      sorting_array.push(smallest_word)
+      smallest_word = x
+    end
+  end
+    sorting_array.delete(smallest_word)
+    sorted_array.push(smallest_word)
+  end
+sorted_array.each do |x|
+  final_array.push(sorting_hash[x])
+end
+puts final_array
+return final_array
+end
diff --git a/ch10-nothing-new/english_number.rb b/ch10-nothing-new/english_number.rb
index c0129bc4e..281a1ea17 100644
--- a/ch10-nothing-new/english_number.rb
+++ b/ch10-nothing-new/english_number.rb
@@ -1,3 +1,73 @@
 def english_number number
-  # your code here
+  if number < 0
+    return 'Please enter a numer that isnt negative'
+  end
+  if number == 0
+    return 'zero'
+  end
+  num_string = ''
+  ones_place = ['one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine', 'ten']
+  tens_place = ['ten', 'twenty', 'thirty', 'forty', 'fifty', 'sixty', 'seventy', 'eighty', 'ninety']
+  teenagers = ['eleven', 'twelve', 'thirteen', 'fourteen', 'fifteen', 'sixteen', 'seventeen', 'eighteen', 'nineteen']
+  left = number
+
+  write = left / 1000000000
+  left = left - write*1000000000
+  if write > 0
+    billions = english_number write
+    num_string = num_string + billions + ' billion'
+    if left > 0
+      num_string = num_string + ' '
+    end
+  end
+
+  write = left / 1000000
+  left = left - write*1000000
+  if write > 0
+    millions = english_number write
+    num_string = num_string + millions + ' million'
+    if left > 0
+      num_string = num_string + ' '
+    end
+  end
+
+  write = left / 1000
+  left = left - write*1000
+  if write > 0
+    thousands = english_number write
+    num_string = num_string + thousands + ' thousand'
+    if left > 0
+      num_string = num_string + ' '
+    end
+  end
+  write = left / 100
+  left = left - write*100
+  if write > 0
+    hundreds = english_number write
+  num_string = num_string + hundreds + ' hundred'
+  if left > 0
+    num_string = num_string + ' '
+  end
 end
+write = left / 10
+left = left - write*10
+if write > 0
+  if ((write == 1) and (left >0))
+    num_string = num_string + teenagers[left-1]
+    left = 0
+  else
+    num_string = num_string + tens_place[write-1]
+  end
+  if left > 0
+  num_string = num_string + '-'
+end
+end
+write = left
+left = 0
+if write > 0
+  num_string = num_string + ones_place[write-1]
+end
+num_string
+end
+
+puts english_number 5436000000
diff --git a/ch10-nothing-new/ninety_nine_bottles_of_beer.rb b/ch10-nothing-new/ninety_nine_bottles_of_beer.rb
index 801de24bd..6be93a9af 100644
--- a/ch10-nothing-new/ninety_nine_bottles_of_beer.rb
+++ b/ch10-nothing-new/ninety_nine_bottles_of_beer.rb
@@ -1 +1,98 @@
-# your code here
\ No newline at end of file
+def english_number number
+  if number < 0
+    return 'Please enter a numer that isnt negative'
+  end
+  if number == 0
+    return 'zero'
+  end
+  num_string = ''
+  ones_place = ['one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine', 'ten']
+  tens_place = ['ten', 'twenty', 'thirty', 'forty', 'fifty', 'sixty', 'seventy', 'eighty', 'ninety']
+  teenagers = ['eleven', 'twelve', 'thirteen', 'fourteen', 'fifteen', 'sixteen', 'seventeen', 'eighteen', 'nineteen']
+  left = number
+
+  write = left / 1000000000
+  left = left - write*1000000000
+  if write > 0
+    billions = english_number write
+    num_string = num_string + billions + ' billion'
+    if left > 0
+      num_string = num_string + ' '
+    end
+  end
+
+  write = left / 1000000
+  left = left - write*1000000
+  if write > 0
+    millions = english_number write
+    num_string = num_string + millions + ' million'
+    if left > 0
+      num_string = num_string + ' '
+    end
+  end
+
+  write = left / 1000
+  left = left - write*1000
+  if write > 0
+    thousands = english_number write
+    num_string = num_string + thousands + ' thousand'
+    if left > 0
+      num_string = num_string + ' '
+    end
+  end
+  write = left / 100
+  left = left - write*100
+  if write > 0
+    hundreds = english_number write
+  num_string = num_string + hundreds + ' hundred'
+  if left > 0
+    num_string = num_string + ' and '
+  end
+end
+write = left / 10
+left = left - write*10
+if write > 0
+  if ((write == 1) and (left >0))
+    num_string = num_string + teenagers[left-1]
+    left = 0
+  else
+    num_string = num_string + tens_place[write-1]
+  end
+  if left > 0
+  num_string = num_string + '-'
+end
+end
+write = left
+left = 0
+if write > 0
+  num_string = num_string + ones_place[write-1]
+end
+num_string
+end
+
+def ninety_nine_bottles start_num
+
+
+  while  start_num > 0
+    start_num_english = english_number start_num
+    start_num_caps = start_num_english.capitalize
+    next_num = start_num - 1
+    next_num_english = english_number next_num
+
+    if start_num == 1
+      puts "#{start_num_caps} bottle of beer on the wall, #{start_num_english}"
+      puts "bottle of beer. Take one down, pass it around, #{next_num_english}"
+      puts "bottles of beer on the wall."
+      puts
+    else
+      puts "#{start_num_caps} bottles of beer on the wall, #{start_num_english}"
+      puts "bottles of beer. Take it down, pass it around, #{next_num_english}"
+      puts "bottles of beer on the wall."
+      puts
+    end
+start_num = start_num - 1
+next_num = next_num - 1
+end
+end
+
+ninety_nine_bottles 10
diff --git a/ch10-nothing-new/shuffle.rb b/ch10-nothing-new/shuffle.rb
index a486ad94c..4825e6c24 100644
--- a/ch10-nothing-new/shuffle.rb
+++ b/ch10-nothing-new/shuffle.rb
@@ -1,3 +1,12 @@
 def shuffle arr
-  # your code here
-end
\ No newline at end of file
+  shuffled_arr = []
+  while arr.length > 0
+  shuffle_entry = rand(arr.length)
+  entry_to_push = arr[shuffle_entry]
+  shuffled_arr.push(entry_to_push)
+  arr.delete_at(shuffle_entry)
+end
+arr = shuffled_arr
+puts arr
+arr
+end
diff --git a/ch10-nothing-new/sort.rb b/ch10-nothing-new/sort.rb
index 44c6deb58..22d2d6365 100644
--- a/ch10-nothing-new/sort.rb
+++ b/ch10-nothing-new/sort.rb
@@ -1,3 +1,25 @@
-def sort arr
-  # your code here
-end
\ No newline at end of file
+def sort some_array
+recursive_sort some_array, []
+end
+
+def recursive_sort unsorted_array, sorted_array
+
+if unsorted_array.length <= 0
+  return sorted_array
+  puts sorted_array
+end
+smallest_word = unsorted_array.pop
+still_unsorted = []
+unsorted_array.each do |x|
+  if x < smallest_word
+    still_unsorted.push(smallest_word)
+    smallest_word = x
+  else
+    still_unsorted.push(x)
+  end
+end
+sorted_array.push(smallest_word)
+recursive_sort still_unsorted, sorted_array
+end
+
+puts (sort(["fucking", "hell", "bollocks"]))
diff --git a/ch11-reading-and-writing/safer_picture_downloading.rb b/ch11-reading-and-writing/safer_picture_downloading.rb
index 801de24bd..6592c94bb 100644
--- a/ch11-reading-and-writing/safer_picture_downloading.rb
+++ b/ch11-reading-and-writing/safer_picture_downloading.rb
@@ -1 +1,26 @@
-# your code here
\ No newline at end of file
+Dir.chdir '/Users/liam.taylor/Projects/Dummy/Destination'
+pic_names = Dir['/Users/liam.taylor/Projects/Dummy/Start/**/*.txt']
+
+puts "What would you like to call this batch?"
+batch_name = gets.chomp
+
+puts
+print "Downloading #{pic_names.length} files:"
+
+pic_number = 1
+
+pic_names.each do |name|
+  print ' . '
+  new_name = if pic_number < 10
+    "#{batch_name}0#{pic_number}.jpg"
+  else "#{batch_name}#{pic_number}.jpg"
+  end
+  pic_number = pic_number + 1
+  if File.exist? new_name 
+    exit
+  else
+  File.rename name, new_name
+end
+end
+puts
+puts "Done!"
diff --git a/ch12-new-classes-of-objects/birthday_helper.rb b/ch12-new-classes-of-objects/birthday_helper.rb
index 801de24bd..715bd7bf7 100644
--- a/ch12-new-classes-of-objects/birthday_helper.rb
+++ b/ch12-new-classes-of-objects/birthday_helper.rb
@@ -1 +1,26 @@
-# your code here
\ No newline at end of file
+Dir.chdir '/Users/liam.taylor/Projects/learn_to_program/ch12-new-classes-of-objects'
+birthday_array = []
+list_of_birthdays = File.read 'birthdays.txt'
+birthday_hash = {}
+lookup_value = 0
+lookup_value_cells = 0
+list_of_birthdays.each_line do |line|
+birthday_array.push line
+end
+birthday_array.each do |push|
+string_to_search = push
+  while lookup_value < 50
+    comma_perhaps = string_to_search[lookup_value]
+    if comma_perhaps == ","
+      name_to_push = string_to_search[0..lookup_value - 1]
+      birthday_to_push = string_to_search[lookup_value + 2..-1]
+      birthday_hash[name_to_push] = birthday_to_push
+      lookup_value = lookup_value + 1
+      break
+    else lookup_value = lookup_value + 1
+    end
+  end
+end
+puts 'Whose birthday? Do you want to know?'
+sought_person = gets.chomp
+puts "So, you want to know #{sought_person}'s birthday? Well it's #{birthday_hash[sought_person]}."
diff --git a/ch12-new-classes-of-objects/happy_birthday.rb b/ch12-new-classes-of-objects/happy_birthday.rb
index 801de24bd..651c557dc 100644
--- a/ch12-new-classes-of-objects/happy_birthday.rb
+++ b/ch12-new-classes-of-objects/happy_birthday.rb
@@ -1 +1,16 @@
-# your code here
\ No newline at end of file
+puts "What year were you born in?"
+year_of_birth = gets.chomp
+puts "What month were you born in?"
+month_of_birth = gets.chomp
+puts "What day were you born on?"
+day_of_birth = gets.chomp
+puts Time.local(year_of_birth, month_of_birth, day_of_birth)
+birthday = Time.local(year_of_birth, month_of_birth, day_of_birth)
+age_in_seconds = Time.new - birthday
+age_in_years = age_in_seconds / 60 / 60 / 24 /365
+age = age_in_years.floor
+puts "Then you're #{age} years old."
+while age > 0
+  puts "SPANK!"
+  age = age - 1
+end
diff --git a/ch12-new-classes-of-objects/one_billion_seconds.rb b/ch12-new-classes-of-objects/one_billion_seconds.rb
index 801de24bd..9ca4971ec 100644
--- a/ch12-new-classes-of-objects/one_billion_seconds.rb
+++ b/ch12-new-classes-of-objects/one_billion_seconds.rb
@@ -1 +1,2 @@
-# your code here
\ No newline at end of file
+time_of_birth = Time.local(1988, 04, 18, 16, 30)
+puts time_of_birth + 1000000000
diff --git a/ch12-new-classes-of-objects/party_like_its_roman_to_integer_mcmxcix.rb b/ch12-new-classes-of-objects/party_like_its_roman_to_integer_mcmxcix.rb
index 037b6cb09..a6efcc062 100644
--- a/ch12-new-classes-of-objects/party_like_its_roman_to_integer_mcmxcix.rb
+++ b/ch12-new-classes-of-objects/party_like_its_roman_to_integer_mcmxcix.rb
@@ -1,3 +1,69 @@
 def roman_to_integer roman
-  # your code here
-end
\ No newline at end of file
+roman = roman.downcase
+length_of_numeral = roman.length
+lookup_value = 0
+running_total = 0
+
+while lookup_value != length_of_numeral
+  numeral_to_measure = roman[lookup_value]
+  further_check = roman[lookup_value + 1]
+  output_number = 0
+  if numeral_to_measure == "i"
+    if further_check == "v"
+      output_number = -1
+    elsif further_check == "x"
+      output_number = -1
+    else
+      output_number = 1
+    end
+  end
+  if numeral_to_measure == "x"
+    if further_check == "l"
+      output_number = -10
+    elsif further_check == "c"
+      output_number = -10
+    else
+      output_number = 10
+    end
+  end
+  if numeral_to_measure == "c"
+    if further_check == "d"
+      output_number = -100
+    elsif further_check == "m"
+      output_number = -100
+    else
+      output_number = 100
+    end
+  end
+  if numeral_to_measure == "v"
+    output_number = 5
+  end
+  if numeral_to_measure == "l"
+    output_number = 50
+  end
+  if numeral_to_measure == "d"
+    output_number = 500
+  end
+  if numeral_to_measure == "m"
+    output_number = 1000
+  end
+
+numeral_to_measure = numeral_to_measure.to_i + 1
+running_total = running_total + output_number
+lookup_value = lookup_value + 1
+end
+if running_total == 0
+  puts "Not a valid roman numeral"
+else
+  puts running_total
+  return running_total
+end
+return running_total
+end
+
+roman_to_integer "IX"
+roman_to_integer "DLV"
+roman_to_integer "MMXIV"
+roman_to_integer "CXI"
+roman_to_integer "CDXCIX"
+roman_to_integer "mcx"
diff --git a/ch13-creating-new-classes/extend_built_in_classes.rb b/ch13-creating-new-classes/extend_built_in_classes.rb
index c3e793933..75ed62592 100644
--- a/ch13-creating-new-classes/extend_built_in_classes.rb
+++ b/ch13-creating-new-classes/extend_built_in_classes.rb
@@ -1,3 +1,45 @@
+class Array
+  def shuffle
+    shuffled_arr = []
+    length_of_array = self.length
+    while length_of_array > 0
+    length_of_array = self.length
+    shuffle_entry = rand(length_of_array)
+    entry_to_push = self[shuffle_entry]
+    shuffled_arr.push(entry_to_push)
+    self.delete_at(shuffle_entry)
+  end
+  while shuffled_arr.length > 0
+    self.push(shuffled_arr.pop)
+  end
+    puts self
+  end
+end
+
 class Integer
-  # your code here
-end
\ No newline at end of file
+
+def to_roman
+  roman = ""
+  roman = roman + "M" * (self / 1000)
+  roman = roman + "D" * (self % 1000 / 500)
+  roman = roman + "C" * (self % 500/ 100)
+  roman = roman + "L" * (self % 100 / 50)
+  roman = roman + "X" * (self % 50 / 10)
+  roman = roman + "V" * (self% 10 / 5)
+  roman = roman + "I" * (self % 5 )
+  roman
+end
+
+
+def factorial
+if self < 0
+  return "no"
+end
+
+if self <=1
+  1
+else
+  self * (self-1).factorial
+end
+end
+end
diff --git a/ch13-creating-new-classes/interactive_baby_dragon.rb b/ch13-creating-new-classes/interactive_baby_dragon.rb
index 801de24bd..495f465d5 100644
--- a/ch13-creating-new-classes/interactive_baby_dragon.rb
+++ b/ch13-creating-new-classes/interactive_baby_dragon.rb
@@ -1 +1,131 @@
-# your code here
\ No newline at end of file
+# your code he
+class Dragon
+  def initialize name
+    @name = name
+    @asleep = false
+    @stuff_in_belly = 10
+    @stuff_in_intestine = 0
+
+    puts "#{@name} is born."
+    puts "What would you like to do to #{@name}?"
+    @request_to_action = gets.chomp
+    dispatch
+  end
+
+  def request
+    puts "What would you like to do to #{@name}?"
+    @request_to_action = gets.chomp
+    dispatch
+  end
+
+  def feed
+    puts "You feed #{@name}."
+    @stuff_in_belly = 10
+    passage_of_time
+  end
+
+  def walk
+    puts "You take #{@name} for a walk."
+    @stuff_in_intestine = 0
+    passage_of_time
+  end
+
+  def put_to_bed
+    puts "You put #{@name} to bed."
+    @asleep = true
+    3.times do
+      if @asleep
+        passage_of_time
+      end
+      if @asleep
+        puts "#{@name} snores, filling the room with smoke."
+      end
+    end
+    if @asleep
+      @asleep = false
+      puts "#{@name} wakes up slowly."
+    end
+  end
+
+  def toss
+    puts "You toss #{@name} up into the air."
+    puts "He giggles, which singes your eyebrows."
+    passage_of_time
+  end
+
+  def rock
+    puts "You rock #{@name} gently."
+    @asleep = true
+    puts "He briefly dozes off."
+    passage_of_time
+    if @asleep
+      @asleep = false
+      puts "...but wakes when you stop."
+    end
+  end
+
+
+  private
+
+def dispatch 
+  if  @request_to_action == "toss"
+    toss
+  elsif @request_to_action == 'walk'
+    walk
+  elsif @request_to_action == 'feed'
+    feed
+  elsif @request_to_action == "put to bed"
+    put_to_bed
+  elsif @request_to_action == "toss"
+    toss
+  elsif @request_to_action == "rock"
+    rock
+  else
+    puts "Not a recognised request, please try again (commands are 'feed', 'walk' 'put to bed', 'toss' and 'rock'.)"
+    @request_to_action = gets.chomp
+  end
+end
+
+
+  def hungry?
+    @stuff_in_belly <= 2
+end
+
+def poopy?
+  @stuff_in_intestine >= 8
+end
+
+def passage_of_time
+  if @stuff_in_belly > 0
+    @stuff_in_belly = @stuff_in_belly - 1
+    @stuff_in_intestine = @stuff_in_intestine + 1
+  else
+    if @asleep
+      @asleep = false
+      puts "He wakes up suddenly!"
+    end
+    puts "#{@name} is starving! In desperation, he ate YOU!"
+    exit
+end
+if @stuff_in_intestine >= 10
+@stuff_in_intestine = 0
+puts "Whoops! #{@name} had an accident...!"
+end
+if hungry?
+  if @asleep
+    @asleep = false
+    puts "He wakes up suddenly"
+  end
+  puts "#{@name}'s stomach grumbles"
+end
+if poopy?
+  if @asleep
+    @asleep = false
+    puts "He wakes up suddenly"
+  end
+  puts "#{@name} does the potty dance..."
+end
+end
+end
+
+pet = Dragon.new "Clurr"
diff --git a/ch13-creating-new-classes/orange_tree.rb b/ch13-creating-new-classes/orange_tree.rb
index 025d08907..e0f0d95e2 100644
--- a/ch13-creating-new-classes/orange_tree.rb
+++ b/ch13-creating-new-classes/orange_tree.rb
@@ -1,11 +1,70 @@
-# in order to pass the rspec please follow the below rates of growth, orange production and age of death.
-# have your OrangeTree grow by 0.4 per year.
-# have it produce no oranges in its first 5 years
-# starting in its sixth year have it produce oranges at a rate of (height * 15 - 25) per year.
-# have the tree die after 25 years.
-# check out the rspec spec/ch13/orange_tree_spec.rb to see what strings we're looking for in the responses.
-
 
 class OrangeTree
-  # your code here
+
+def initialize
+  @height = 0
+  @tree_age = 0
+  @oranges_on_tree = 0
+  @growth_per_year = 0.4
+  @life_status = true
+end
+
+def height
+  if @life_status == true
+    return @height
+  else
+    return "A dead tree is not very tall. :("
+  end
+end
+
+def one_year_passes
+  if @life_status == true
+    @tree_age = @tree_age + 1
+    @oranges_on_tree = 0
+    @height = (@height + @growth_per_year).round(1)
+    if @tree_age > 25
+      @life_status = false
+      return 'Oh, no! The tree is too old, and has died. :('
+    elsif @tree_age >=5
+      @oranges_on_tree = (@oranges_on_tree + (@height * 15 - 25)).round(0)
+      return "This year your tree grew to #{@height}m tall, and produced #{@oranges_on_tree} oranges."
+    else @tree_age <5
+    return "This year your tree grew to #{@height}m tall but is still too young to bear fruit."
+  end
+  else
+    return "A year later, the tree is still dead. :("
+  end
+
+end
+
+def count_the_oranges
+  if @life_status == true
+    if @oranges_on_tree > 0
+      return @oranges_on_tree
+    else
+      return "There are no oranges on the tree."
+    end
+  else
+    return "A dead tree has no oranges. :("
+  end
+end
+
+def pick_an_orange
+  if @life_status == true
+    if @oranges_on_tree > 0
+      @oranges_on_tree = @oranges_on_tree - 1
+      return "Mmmm, tasty!"
+    else
+      return "There are no oranges to pick!"
+    end
+  else
+    return "A dead tree has nothing to pick. :("
+  end
+end
+end
+
+ot = OrangeTree.new
+
+23.times do
+  ot.one_year_passes
 end
diff --git a/ch14-blocks-and-procs/better_program_logger.rb b/ch14-blocks-and-procs/better_program_logger.rb
index 0e2e18d57..544b24d58 100644
--- a/ch14-blocks-and-procs/better_program_logger.rb
+++ b/ch14-blocks-and-procs/better_program_logger.rb
@@ -1,3 +1,22 @@
-def log desc, &block
-  # your code here
-end
\ No newline at end of file
+$indent = 0
+def program_logger desc, &block
+  prefix = ' '*$indent
+  puts prefix + 'Beginning "' + desc + '"...'
+  $indent = $indent + 1
+  result = block.call
+  $indent = $indent - 1
+  puts prefix + '..."' + desc + '" finished, returning: ' + "#{result}"
+end
+
+program_logger 'outer block' do
+  program_logger 'some little block' do
+    program_logger 'teen-tiny block' do
+      'lots of love'
+    end
+    42
+  end
+  program_logger 'yet another block' do
+    'I like Indian food!'
+  end
+  "0" == 0
+end
diff --git a/ch14-blocks-and-procs/even_better_profiling.rb b/ch14-blocks-and-procs/even_better_profiling.rb
index b01b78fd8..133aa67d5 100644
--- a/ch14-blocks-and-procs/even_better_profiling.rb
+++ b/ch14-blocks-and-procs/even_better_profiling.rb
@@ -1,3 +1,11 @@
 def profile block_description, &block
-  # your code here
-end
\ No newline at end of file
+  profiling_on = true
+  if profiling_on
+    start_time = Time.new
+    block.call
+    duration = Time.new - start_time
+    puts "#{block_description}: #{duration} seconds"
+  else
+    block.call
+  end
+end
diff --git a/ch14-blocks-and-procs/grandfather_clock.rb b/ch14-blocks-and-procs/grandfather_clock.rb
index 916f6d354..0f8d5b664 100644
--- a/ch14-blocks-and-procs/grandfather_clock.rb
+++ b/ch14-blocks-and-procs/grandfather_clock.rb
@@ -1,3 +1,13 @@
 def grandfather_clock &block
-  # your code here
-end
\ No newline at end of file
+  twenty_hour_time = Time.new.hour
+  if twenty_hour_time > 12
+    twelve_hour_time = twenty_hour_time - 12
+  else
+    twelve_hour_time = twenty_hour_time
+  end
+  twelve_hour_time.times do
+puts "DONG!"
+  end
+end
+
+grandfather_clock
diff --git a/ch14-blocks-and-procs/program_logger.rb b/ch14-blocks-and-procs/program_logger.rb
index 0e2e18d57..04cbf40ad 100644
--- a/ch14-blocks-and-procs/program_logger.rb
+++ b/ch14-blocks-and-procs/program_logger.rb
@@ -1,3 +1,14 @@
-def log desc, &block
-  # your code here
-end
\ No newline at end of file
+def program_log desc, &block
+  puts 'Beginning "' + desc + '"...'
+  result = block.call
+  puts '..."' + desc + '" finished, returning: ' + result.to_s
+end
+program_log 'outer block' do
+  program_log 'some little block' do
+    1**1 + 2**2
+  end
+  program_log 'yet another block' do
+    '!doof iahT ekil I'.reverse
+  end
+'0' == 0
+end