Title: The Code Chronicles
Description: Oz and his friend Elspeth journey back in time to such destinations as primeval Los Angeles and Jerusalem during the Crusades, but when the locale turns dangerous, the reader is asked to crack the code on Oz's time machine to help the travelers escape to a new time and place. Includes a template for making a "time-saving" code wheel.
Subjects: Toy and movable books, Cryptography, Literary recreations, Ciphers, Fiction, Cartoons and comics, Specimens, Time travel, American Arts, Handicraft, Graphic novels, Children's fiction, Time travel, fiction, Code and cipher stories