'Brilliantly twisty, thought-provoking stuff - such enjoyable reading' Jenny Colgan 'A moving time-slip romance . . . The Undoing of Arlo Knott is a triumph' Guardian WHAT IF YOUR LIFE HAD AN 'UNDO' BUTTON? Arlo Knott develops the mysterious ability to reverse his last action. It makes him able to experience anything, to charm any woman and impress any friend. His is a life free of mistakes, a life without regret. But second chances aren't all they're cracked up to be. As wonderful as his new life is, a mistake in Arlo's traumatic childhood still haunts him and the temptation to undo, undo and keep undoing could be too much to resist. 'A flawed yet lovable protagonist who is deeply, wonderfully human, and utterly believable' N. J. Crosskey Mainstream crossover fiction for fans of Matt Haig, Gail Honeyman and Rowan Coleman, from the author of Everything About You.