diff --git a/manual/basic_concepts/view.rb b/manual/basic_concepts/view.rb
index 7dad733b7..07cf8e76f 100644
--- a/manual/basic_concepts/view.rb
+++ b/manual/basic_concepts/view.rb
@@ -29,6 +29,10 @@ def initialize(name)
     @name = name
   end
 
+  def document
+    @pdf ||= Prawn::Document.new(page_size: 'A4', page_layout: :landscape, margin: 30)
+  end
+
   def say_hello
     text "Hello, #{@name}!"
   end