Rubyから楽天ブックス書籍検索APIを利用する

require 'rakuten_web_service'
require 'uri'

RWS.configuration do |c|
    c.application_id = 'application_id'
end

books = RWS::Books::Book.search(:author => 'test')
books.each do |book|
    puts "#{book.title}, #{book['salesDate']}"
end