While helping Joe, Sam, and David look for an ancient Oakdale secret, Wishbone imagines that he is Allan Quartermaine, searching for legendary treasure in an unexplored part of Africa.
- ISBN10 0606194576
- ISBN13 9780606194570
- Publish Date 9 October 2000 (first published 1 November 1999)
- Publish Status Out of Print
- Out of Print 1 July 2021
- Imprint Turtleback Books
- Edition Turtleback School & Library ed.
- Format Hardcover (Library Binding)
- Language English