Hector's in big trouble...He is supposed to be guarding the museum. But something mysterious has just happened: All the dinosaurs have disappeared!
- ISBN10 0812015231
- ISBN13 9780812015232
- Publish Date 26 November 1993
- Publish Status Active
- Out of Print 12 July 2011
- Publish Country US
- Publisher Peterson's Guides,U.S.
- Imprint Barron's Educational Series Inc.,U.S.
- Format Paperback
- Pages 32
- Language English