In an effort to help start a rebellion against the Yeerks on the Hork-Bajir home world, Cassie agrees to become the host for the persona of a dead alien.
- ISBN10 0606172831
- ISBN13 9780606172837
- Publish Date 1 October 1999
- Publish Status Out of Print
- Out of Print 29 May 2021
- Imprint Turtleback Books
- Edition Turtleback School & Library ed.
- Format Hardcover (Library Binding)
- Language English