The fact that his mother has been infested by an alien parasite and his father is planning to remarry puts Marco under such stress that he begins to morph into bizarre creatures that he is afraid will attract the attention of the Yeerks.
- ISBN10 0836827589
- ISBN13 9780836827583
- Publish Date 31 July 2002 (first published 1 November 1999)
- Publish Status Out of Print
- Out of Print 16 June 2021
- Publish Country US
- Imprint Gareth Stevens Publishing
- Edition Large type / large print edition
- Format Hardcover (Library Binding)
- Language English