The finalists for the John W. Campbell Memorial Award for the best science fiction novel have been announced.

The Award was created to honor the late editor of Astounding Science Fiction magazine, now named Analog. Campbell, who edited the magazine from 1937 until his death in 1971, is called by many writers and scholars the father of modern science fiction. Writers and critics Harry Harrison and Brian W. Aldiss established the award in Campbell's name as a way of continuing his efforts to encourage writers to produce their best possible work.

The finalists are:

• Greg Bear, City at the End of Time, Del Rey
• Nick DiChario, Valley of Day-Glo, Robert J. Sawyer Books
• Cory Doctorow, Little Brother, Tor
• Ian MacLeod, Song of Time, PS Publishing
• James Morrow, The Philosopher's Apprentice, William Morrow
• Neal Stephenson, Anathem, William Morrow