Gillian Clements uncovers the construction of a top-secret World War II bunker using accurate colour illustrations created with reference to original photographs, maps and other historical evidence.
- ISBN10 0749679131
- ISBN13 9780749679132
- Publish Date 13 March 2008 (first published 13 July 2006)
- Publish Status Out of Print
- Out of Print 15 July 2011
- Publish Country GB
- Publisher Hachette Children's Group
- Imprint Franklin Watts Ltd
- Format Paperback
- Pages 32
- Language English