After a mysterious plague threatens Camelot, Calib and Cecily set off on a voyage to Avalon to find a cure and need to use magic and the help of friends to solve the mystery of the plague and return in time to save Camelot.
- ISBN10 0606414282
- ISBN13 9780606414289
- Publish Date 6 November 2018 (first published 3 October 2017)
- Publish Status Out of Print
- Out of Print 13 September 2021
- Imprint Turtleback Books
- Edition Bound for Schools & Libraries ed.
- Format Hardcover (Library Binding)
- Pages 352
- Language English