Remember just like that new car, a book is used as soon as it leaves the store. So with any search start with the used ones first. Amazon has the graphics, with reviews by Book Lists magazine.
Site is easy to get around.
You can search by author, title or subject. You can also search by readers' age, ISBN, or by publication date. Boolean searching is possible in their Power Search option. Search Tips and a Subject Browse are also available. Great site for reviews, Illustrations, finding the information you are looking for.