diff --git a/models/author.rb b/models/author.rb
index 0fb7e4b..122ef69 100644
--- a/models/author.rb
+++ b/models/author.rb
@@ -1,4 +1,4 @@
-class Author < ActiveRecord::Base
+ class Author < ActiveRecord::Base
   has_many :author_books
   has_many :books, :through => :author_books
   has_many :pages, :through => :books
diff --git a/test/about_active_record.rb b/test/about_active_record.rb
index 50cd50f..b7f457d 100644
--- a/test/about_active_record.rb
+++ b/test/about_active_record.rb
@@ -35,107 +35,113 @@ class AboutActiveRecord < Test::Unit::TestCase
       @library.books << @war_peace
       @library.books << @doctor_zhivago
       @library.books << @life_fate
-
+      
+    
+      
       @library.save!
+    
+
 
       @library.reload
       @war_peace.reload
       @leo.reload
+
+      
     end
 
     context "in total" do
       should "have the right number of models" do
-        assert_equal ___, Library.count
-        assert_equal ___, Book.count
-        assert_equal ___, Page.count
-        assert_equal ___, Cover.count
-        assert_equal ___, AuthorBook.count
-        assert_equal ___, Author.count
+        assert_equal 1, Library.count
+        assert_equal 3, Book.count
+        assert_equal 20, Page.count
+        assert_equal 3, Cover.count
+        assert_equal 3, AuthorBook.count
+        assert_equal 3, Author.count
       end
     end
 
     context "the library" do
       should "have many books" do
-        assert_equal ___, @library.respond_to?(:books)
-        assert_equal ___, @library.books.length
-        assert_equal ___, @library.books.first.class
-        assert_equal ___, @library.respond_to?(:book_id)
-        assert_equal ___, @library.respond_to?(:library_id)
-        assert_equal ___, @library.books.first.library
+        assert_equal true, @library.respond_to?(:books)
+        assert_equal 3, @library.books.length
+        assert_equal Book, @library.books.first.class
+        assert_equal false, @library.respond_to?(:book_id)
+        assert_equal false, @library.respond_to?(:library_id)
+        assert_equal @library, @library.books.first.library
       end
 
       should "know how many books are Historical fiction" do
         results = @library.books.where(:genre => "Historical fiction")
-        assert_equal ___, results.length
-        assert_equal ___, results.first.class
-        assert_equal ___, results
+        assert_equal 2, results.length
+        assert_equal Book, results.first.class
+        assert_equal [@war_peace, @life_fate], results
       end     
 
       should "know how many books have at least 7 pages" do
         results = @library.books.includes(:pages).where('pages.number >= 7')
-        assert_equal ___, results.length
-        assert_equal ___, results.first.class
-        assert_equal ___, results
+        assert_equal 2, results.length
+        assert_equal Book, results.first.class
+        assert_equal [@war_peace, @doctor_zhivago], results
       end
     end
 
     context "Leo Tolstoy" do
       should "have written many pages" do
-        assert_equal ___, @leo.respond_to?(:pages)
-        assert_equal ___, @leo.pages.length
-        assert_equal ___, @leo.pages.first.class
+        assert_equal true, @leo.respond_to?(:pages)
+        assert_equal 10, @leo.pages.length
+        assert_equal Page, @leo.pages.first.class
       end
 
       should "be searchable by name" do
-        assert_equal ___, Author.find_by_name("Leo Tolstoy").class
-        assert_equal ___, Author.find_by_name("Leo Tolstoy")
-        assert_equal ___, Author.where(:name => "Leo Tolstoy").class
-        assert_equal ___, Author.where(:name => "Leo Tolstoy").first
-        assert_equal ___, Author.first
+        assert_equal Author, Author.find_by_name("Leo Tolstoy").class
+        assert_equal @leo , Author.find_by_name("Leo Tolstoy")
+        assert_equal ActiveRecord::Relation, Author.where(:name => "Leo Tolstoy").class
+        assert_equal @leo, Author.where(:name => "Leo Tolstoy").first
+        assert_equal @leo, Author.first
       end
     end
 
     context "War and Peace" do
       should "have one cover" do
-        assert_equal ___, @war_peace.respond_to?(:covers)
-        assert_equal ___, @war_peace.respond_to?(:cover)
-        assert_equal ___, @war_peace.cover.class
-        assert_equal ___, @war_peace.cover.book
-        assert_equal ___, @war_peace.respond_to?(:book_id)
-        assert_equal ___, @war_peace.respond_to?(:cover_id)
-        assert_equal ___, @war_peace.cover.respond_to?(:book_id)
-        assert_equal ___, @war_peace.cover.respond_to?(:cover_id)
+        assert_equal false, @war_peace.respond_to?(:covers)
+        assert_equal true, @war_peace.respond_to?(:cover)
+        assert_equal Cover, @war_peace.cover.class
+        assert_equal @war_peace, @war_peace.cover.book
+        assert_equal false, @war_peace.respond_to?(:book_id)
+        assert_equal false, @war_peace.respond_to?(:cover_id)
+        assert_equal true, @war_peace.cover.respond_to?(:book_id)
+        assert_equal false, @war_peace.cover.respond_to?(:cover_id)
       end
 
       should "have many pages" do
-        assert_equal ___, @war_peace.respond_to?(:pages)
-        assert_equal ___, @war_peace.pages.length
-        assert_equal ___, @war_peace.pages.first.class
-        assert_equal ___, @war_peace.pages.first.number
-        assert_equal ___, @war_peace.pages.first.book
-        assert_equal ___, @war_peace.respond_to?(:page_id)
-        assert_equal ___, @war_peace.pages.first.respond_to?(:book_id)
-        assert_equal ___, @war_peace.pages.first.respond_to?(:page_id)
+        assert_equal true, @war_peace.respond_to?(:pages)
+        assert_equal 10, @war_peace.pages.length #pages is a method which returns an array of page objects from the object @war_peace
+        assert_equal Page, @war_peace.pages.first.class
+        assert_equal 1, @war_peace.pages.first.number
+        assert_equal @war_peace, @war_peace.pages.first.book
+        assert_equal false, @war_peace.respond_to?(:page_id)
+        assert_equal true, @war_peace.pages.first.respond_to?(:book_id)
+        assert_equal false, @war_peace.pages.first.respond_to?(:page_id)
       end
 
       should "have many authors" do
-        assert_equal ___, @war_peace.respond_to?(:authors)
-        assert_equal ___, @war_peace.respond_to?(:author_books)
-        assert_equal ___, @war_peace.authors.class
-        assert_equal ___, @war_peace.authors.length
-        assert_equal ___, @war_peace.authors.first.name
-        assert_equal ___, @war_peace.respond_to?(:author_id)
-        assert_equal ___, @war_peace.respond_to?(:author_book_id)
-        assert_equal ___, @war_peace.authors.first.respond_to?(:book_id)
-        assert_equal ___, @war_peace.author_books.first.respond_to?(:book_id)
-        assert_equal ___, @war_peace.author_books.first.respond_to?(:author_id)
-        assert_equal ___, @war_peace.author_books.to_sql.chomp.gsub("\"", "'").squeeze(" ")
-        assert_equal ___, @war_peace.authors.to_sql.chomp.gsub("\"", "'").squeeze(" ")
+        assert_equal true, @war_peace.respond_to?(:authors)
+        assert_equal true, @war_peace.respond_to?(:author_books)
+        assert_equal Array, @war_peace.authors.class
+        assert_equal 1, @war_peace.authors.length
+        assert_equal "Leo Tolstoy", @war_peace.authors.first.name
+        assert_equal false, @war_peace.respond_to?(:author_id)
+        assert_equal false, @war_peace.respond_to?(:author_book_id)
+        assert_equal false, @war_peace.authors.first.respond_to?(:book_id)
+        assert_equal true, @war_peace.author_books.first.respond_to?(:book_id)
+        assert_equal true, @war_peace.author_books.first.respond_to?(:author_id)
+        assert_equal "SELECT 'author_books'.* FROM 'author_books' WHERE 'author_books'.'book_id' = 1", @war_peace.author_books.to_sql.chomp.gsub("\"", "'").squeeze(" ")
+        assert_equal "SELECT 'authors'.* FROM 'authors' INNER JOIN 'author_books' ON 'authors'.'id' = 'author_books'.'author_id' WHERE 'author_books'.'book_id' = 1", @war_peace.authors.to_sql.chomp.gsub("\"", "'").squeeze(" ")
       end
 
       should "be searchable by name" do
-        assert_equal ___, Book.where(:title => "War & Peace").class
-        assert_equal ___, Book.where(:title => "War & Peace").to_sql.chomp.gsub("\"", "'").squeeze(" ")
+        assert_equal ActiveRecord::Relation, Book.where(:title => "War & Peace").class
+        assert_equal "SELECT 'books'.* FROM 'books' WHERE 'books'.'title' = 'War & Peace'", Book.where(:title => "War & Peace").to_sql.chomp.gsub("\"", "'").squeeze(" ")
       end
     end
 
diff --git a/test/test.db b/test/test.db
index 417f8fe..61a1564 100644
Binary files a/test/test.db and b/test/test.db differ