Caught between realities, a mathematician, a book dealer, and a mobster desperately seek a notorious book that disappears upon being read. Only the author, a rakish sci-fi writer, knows whether his popular novel is truthful or a hoax. In a story that is cosmic, inventive, and sly, multi-award-winning author Lavie Tidhar (Central Station) travels from the emergence of life to the very ends of the universe. 'Ingeniously constructed and stylistically protean, this seven-course banquet of a novel glistens with the Golden Age of science fiction, even as it nourishes our neurons with a marvelous thought experiment.' --James Morrow, award-winning author of Shambling Towards Hiroshima Delia Welegtabit discovered two things during her childhood on a South Pacific island: her love for mathematics and a novel that isn't supposed to exist. But the elusive book proves unexpectedly dangerous. Oskar Lens, a science fiction-obsessed mobster in the midst of an existential crisis, will stop at nothing