THE NO. 1 INTERNATIONAL BESTSELLER. WINNER OF THE 2020 PRIX GONCOURT. 1 MILLION COPIES SOLD. 'Just when you think you've worked it out . . . well, you probably haven't' DAILY MAIL 'Mind-bending. Written with page-turning conviction' THE TIMES 'A mind-bending, prize-winning speculative thriller' GUARDIAN 'An intoxicating mix of the magical and life's big questions' FINANCIAL TIMES No one knows how it happened. But it'll change their lives forever... During a terrifying storm, Air France flight 006 - inexplicably - duplicates. For every passenger, there are now two: a double with the same mind, body and memories. Only one thing sets them apart - while one plane lands in March, the other doesn't arrive until June. But if there are two of them, which one will get to keep the life they've built? As they prepare to meet, they must decide just how far they'll go to fight for what's theirs . . . New York Times: Best Thriller of the Year Publishers Weekly: Best Thriller of the Year Lit Hub: Favorite Book of the Year CrimeReads: Best International Crime Novel of the Year PopSugar: Best Mystery/Thriller of the Month Readers LOVE The Anomaly : 'I absolutely loved this thrilling, addictive book' 5 star reader review 'This book spun my head. Fascinating, fantastic and thought provoking' 5 star reader review 'I absolutely love this book. It's a one-of-a-kind story, with perfect pacing. I would highly recommend' 5 star reader review 'An incredible read - intriguing and original. Keeps you fascinated until the very last page' 5 star reader review 'A brilliant read...so cleverly written' 5 star reader review We Say Not only a page turning thriller that examines questions of reality and free will with a skill that keeps your mind bubbling over right to the very final page, it is also written with mischievous Gallic humour by the president of Oulipo. Craftily intelligent AND entertaining! Ray