Who are the two strange pilots, and what is the secret treasure hidden in the lonely valley where the children land?
Nothing could be more exciting than a daring night flight on Bill's plane! But Philip, Dinah, Lucy-Ann and Jack soon find themselves flying straight into a truly amazing adventure.
- ISBN10 0230770770
- ISBN13 9780230770775
- Publish Date 2 January 2014
- Publish Status Cancelled
- Publish Country GB
- Publisher Pan Macmillan
- Imprint Macmillan Children's Books
- Edition Unabridged edition
- Format Hardcover
- Pages 304
- Language English