The astounding new novel from the bestselling and Costa-shortlisted author of Time Travelling with a Hamster, this is a story for everyone of ten and older who loves adventure, laughs and tears. "One of my favourite middle-grade writers" Kiran Millwood Hargrave, author of The Girl of Ink and Stars When eleven-year-old Georgie befriends an eccentric retired scientist, she becomes the test subject for a thrilling new experiment: a virtual-reality 3D version of the future. But then a deadly...