Everybody in Jack's family seems to be brilliant - apart from Jack and his downtrodden dog Zero. Even his little sister can beat him at swimming. But Jack's uncle Parker has come up with a plan to make him and Zero shine: they'll pretend that Jack can tell the future! If only they could foresee what chaos the plan will cause . . . Helen Cresswell is the much-loved writer of over 40 children's books. She's the author of classics such as Lizzie Dripping as well as having adapted The Demon Headmaster for television. She has been runner-up for the Carnegie Medal four times.