Title: The case of the backyard treasure
First published: 1998
Description: Liz the Whiz and her younger brother use codes, a chart, and a map of the backyard that matches a clock face to solve Zack's mystery. Includes a section with related activities.
Subjects: Mystery and detective stories, Ciphers, Fiction, Maps, Code and cipher stories, Detective and mystery stories, Children's fiction
LC classification: PZ7.R59 Caf 1998