Gus's mom sends him to karate camp for his birthday, but Gus and Beto have to put up with Billy when they get there.
- ISBN10 6612146036
- ISBN13 9786612146039
- Publish Date 1 August 2007 (first published 1 September 2006)
- Publish Status Active
- Out of Print 28 June 2011
- Publish Country US
- Imprint Capstone Publishers
- Format eBook
- Pages 32
- Language English