One of the very best must-read SF novels of all time.
Frederick Pohl has been a SF writer and editor for almost 50 years. He grew up in New York, but now lives near Chicago.
All the elements for a great read: humour, drama, tragedy, great one-liners, a marvellously quirky central character and a great supporting character in the form of a robotic psychologist. - Garry Kilworth.A wonderfully satisfying SF premise. - New York Times Book Review.