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 0689840357
- ISBN13 9780689840357
- Publish Date 1 November 2000 (first published May 1965)
- Publish Status Out of Stock
- Publish Country US
- Imprint Simon & Schuster
- Format Paperback (US Trade)
- Pages 304
- Language English