Rachel, one of the Earth teenagers dedicated to stopping the parasitic alien race known as the Yeerks, is horrified when she finds herself split into two nearly identical girls.
- ISBN10 060617060X
- ISBN13 9780606170604
- Publish Date 1 August 1999
- Publish Status Out of Print
- Out of Print 2 July 2021
- Imprint Turtleback Books
- Edition Turtleback School & Library ed.
- Format Hardcover (Library Binding)
- Language English