Principal Wagner confidently deals with a faculty washroom crisis, a psychic parrot, and a terrorizing gerbil, but when sixty-five erasers go missing, he enlists the help of the school's best problem solver and locator of lost items, twelve-year-old Lyle Williams, aka Mudshark.
- ISBN10 1606866435
- ISBN13 9781606866436
- Publish Date 8 June 2010 (first published 6 May 2009)
- Publish Status Out of Print
- Out of Print 14 September 2021
- Imprint Perfection Learning
- Format Hardcover (Library Binding)
- Pages 83
- Language English