When the swans of Swan Isle are attacked by vicious ravens, Urchin the squirrel and the inhabitants of Mistmantle rush to their aid.
- ISBN: 9781423101833
- Author: Mcallister, M. I.
- Published: 2008, Hyperion Book CH
- Themes: Adventure, Rescues, Squirrel
- Descriptors: England (UK), Fantasy, Intermediate (ages 9-14)
- No. of pages: 288