American Library Association Booklist: ALA's book review magazine.
Kirkus Reviews: A major book review publication for libraries.
Los Angeles Times Book Review: Most recent reviews and a handy calendar of local literary events.
The Mystery Reader: Reviews of new mysteries, arranged by type (such as police procedurals), as well as author interviews and contact information.
New York Review of Books: A preeminent literary review journal, available back to 1996.
New York Times Book Review: The most recent week of the world's most popular book review, archived back to 1996.
ReviewOfBooks.com: Recently released books posted online by professionals.
The Romance Reader: Reviews of new romance novels, arranged by type (such as historical romances), as well as author interviews with popular authors and contact information.
The SF Site: Science fiction and fantasy book reviews and fan sites.