Durrell Gerald. The Fantastic Dinosaur Adventure

By Gerald Durrell (Author), Graham Percy (Illustrator).
Paperback: 27 Sep 1990
Great-Uncle Lancelot's latest invention, a time machine, has been stolen by a villain and his henchman. The evil pair have travelled back in time to the Age of the Dinosaurs to capture the beasts. Emma, Ivan and Conrad travel back through time with Lancelot to save the dinosaurs.