Book Class

gistfile1.rb

class Book
  def initialize

  end

  def title
    @book_title
  end

  def title=(book_title)
    lowercase_words = ["in","a","and", "the", "an" ]
    book_title = book_title.split(' ')
    book_title.collect! do |word|
      if lowercase_words.include?(word)
        word
      else
        word.capitalize
      end
    end
    book_title[0].capitalize!
    @book_title  = book_title.join(' ')
  end
end