The evil witch Oyin has returned to Beaver Towers with one aim, revenge. She has tried to destroy Philip with earth, air and fire. Now she uses her last and most dangerous means of attack, water. Philip must head for the sea as his friend is in danger. He has dared to defy Oyin once but this time she is waiting for him.
- ISBN10 075406008X
- ISBN13 9780754060086
- Publish Date 1 January 1998 (first published 4 September 1980)
- Publish Status Out of Print
- Out of Print 16 April 2002
- Publish Country GB
- Publisher AudioGO Limited
- Imprint Galaxy
- Edition Large type / large print edition
- Format Hardcover
- Pages 168
- Language English