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 141694964X
- ISBN13 9781416949640
- Publish Date 8 May 2007 (first published May 1965)
- Publish Status Out of Stock
- Publish Country US
- Imprint Simon & Schuster
- Format Paperback (US Trade)
- Pages 196
- Language English