diff --git a/wikibooks-tutorial/grocery-list.rb b/wikibooks-tutorial/grocery-list.rb
index c54c3b5..46beacb 100644
--- a/wikibooks-tutorial/grocery-list.rb
+++ b/wikibooks-tutorial/grocery-list.rb
@@ -10,6 +10,10 @@ Grocery list
 
 GROCERY_LIST
 
+puts '
+Categorized Grocery list
+------------------------
+'
 
 puts 'Produce', '-------', <<PRODUCE, 'Dairy', '-----', <<DAIRY, '* Organic'
 1. Strawberries*
@@ -20,4 +24,15 @@ PRODUCE
 2. Milk*
 3. Cottage Cheese
 
+
 DAIRY
+
+
+puts
+puts 'Indented Grocery list',
+     '---------------------', <<-GROCERY_LIST
+    1. Salad mix.
+    2. Strawberries.
+    3. Cereal.
+    4. Milk.
+    GROCERY_LIST
diff --git a/wikibooks-tutorial/quiz.rb b/wikibooks-tutorial/quiz.rb
new file mode 100644
index 0000000..4960ed8
--- /dev/null
+++ b/wikibooks-tutorial/quiz.rb
@@ -0,0 +1,8 @@
+name = 'Charlie Brown'
+
+puts <<"QUIZ"
+Student: #{name}
+
+1.\tQuestion: What is 4+5?
+\tAnswer: The sum of 4 and 5 is #{4+5}
+QUIZ