As the three young members of the Grant family investigate the mysterious sunflower house near their grandfather's farm in southwest France, they uncover a well-kept family secret.
- ISBN10 0862410703
- ISBN13 9780862410704
- Publish Date 6 September 1984 (first published 1 January 1977)
- Publish Status Out of Print
- Out of Print 14 March 1991
- Publish Country GB
- Imprint Canongate Books
- Edition New edition
- Format Paperback
- Pages 128
- Language English