Mr Oldcastle takes his nephew Dan and Horace the dog to a natural history museum in Gumdrop, his vintage car. By means of a magic computer, they are transported back to the time of the dinosaurs. They meet some new dinosaur friends and encounter a terrifying enemy! The author has written and illustrated many books, including the Gumdrop stories.
- ISBN10 0340428597
- ISBN13 9780340428597
- Publish Date 1 October 1988
- Publish Status Transferred
- Out of Print 4 May 2000
- Publish Country GB
- Publisher Hachette Children's Group
- Imprint Hodder Children's Books
- Format Hardcover
- Pages 32
- Language English