In Wisconsin, ten-year-old Christa and eleven-year-old Alex team up to search for the lost treasure of Al Capone near where Alex has just moved into his grandfather's house and Christa is spending what may be her family's last summer in their cabin.
- ISBN10 0606392904
- ISBN13 9780606392907
- Publish Date 11 October 2016 (first published 1 September 2015)
- Publish Status Out of Print
- Out of Print 6 April 2021
- Imprint Turtleback Books
- Edition Bound for Schools & Libraries ed.
- Format Hardcover (Library Binding)
- Pages 304
- Language English