Readers' Advisory online
Use this search to find anything about books and authors. Use it to find reviews, recommendations, and read-a-likes.
Goodreads is a social network for readers. Goodreads members recommend books, compare what they are reading, keep track of what they've read and would like to read, form book clubs and much more.
LibraryThing is an online service to help people catalog their books easily. You can access your catalog from anywhere. Because everyone catalogs together, LibraryThing also connects people with the same books, comes up with suggestions for what to read next, and so forth.
A resource for readers of fiction that provides subject heading access, reviews, annotations, and much more for over 135,000 fiction titles. It also includes Author Read-alikes, What We're Reading, Book Discussion Guides, BookTalks, and Annotated Book Lists. For school media specialists and teachers there are Picture Book Extenders and articles on Teaching with Fiction.
This resource features a student-focused interface and a database of young adult, children's and easy titles designed for children in pre-K, elementary or middle schools.