"REMARKABLE . . . INTRIGUING . . . FAST-PACED."
–The Washington Post
"Reading Manifold: Time is like sending your mind to the gym for a brisk workout. If you don’t feel both exhausted and exhilarated when you’re done, you haven’t been working hard enough."
–The New York Times Book Review
"A STAGGERING NOVEL! If you ever thought you understood time, you’ll be quickly disillusioned when you read Manifold: Time."
–SIR ARTHUR C. CLARKE