Three children on a holiday in Cornwall find an ancient manuscript which sends them on a dangerous quest for a grail that would reveal the true story of King Arthur.
- ISBN10 068987121X
- ISBN13 9780689871214
- Publish Date 25 May 2004 (first published May 1965)
- Publish Status Out of Stock
- Imprint Aladdin Paperbacks
- Format Paperback (US Trade)
- Pages 208
- Language English