Tilly And The Time Machine

Tilly is seven and a half. She lives with her dad a scientist who used to invent things for the government. They are very happy but they are both missing Mummy who died about a year ago. So when Tillys dad creates a time machine in their back garden theres only one place that Tilly really wants to go: back to her sixth birthday party when she ate too many cupcakes and her mummy was there. Theres only one problem. Tillys dad has got stuck in the past and she must follow him through history from battles on boats to Buckingham Palace to get him back.