Have you tried NoveList yet?  NoveList has information on over 150,000 works of fiction for young and old.  It includes reviews from respected magazines such as BookList, Publishers Weekly, and Library Journal, among others, as well as information about authors and literary awards.  It also allows individual readers to post their own reviews, and has its own “read-alike” feature that suggests books with similar subjects, story lines, genres, etc.  You’ll find NoveList on the library’s A-Z List.