A boy and a dinosaur go back in time... When Ryan met Rex, he thought life would get a whole lot better. Wrong! The bullies are still picking on him. His favourite teacher Mr Khoo is leaving – again! And the new teacher is horrible. A fresh mission to retrieve a fossil sends Ryan and Rex back to the time of the dinosaurs... but the unexpected happens, and Ryan finds himself all alone! Will things ever look up for Ryan? How will he get out alive? (With cool illustrations and fun dinosaur facts!)