Beautifully written and compelling novel rich with diversity, imagination, and intelligence. Now a major motion picture starring Samantha Morton, Rhys Ifans, Daniel Craig and Bill Nighy Unknown to Rose, something passes between them - something that gives birth in Parry to an obsession so powerful that it will test to the limits Rose's beloved scientific rationalism, threaten the love of his wife Clarissa and drive him to the brink of murder and madness.