Two children explore what is in the progressively deeper layers of the earth as they travel from under a bed to the center of the earth.
- ISBN10 0749627549
- ISBN13 9780749627546
- Publish Date 25 September 1997 (first published 30 May 1996)
- Publish Status Out of Print
- Out of Print 25 October 2004
- Publish Country GB
- Publisher Hachette Children's Group
- Imprint Franklin Watts Ltd
- Edition New edition
- Format Paperback
- Pages 32
- Language English