NAMED A BEST THRILLER OF THE YEAR BY THE NEW YORK TIMESNAMED A BEST BOOK OF THE YEAR BY ESQUIRE'This twisty, absorbing thriller is both a moving love story and fascinating speculative fiction exploring memory, time and reality' GUARDIAN'An expertly crafted puzzle of a story' NEW SCIENTIST'Suspenseful, provocative and surprisingly tender' NEW YORK TIMES BOOK REVIEW'Old-school creepy.
