Billy Blaster's ninja friend Wu Hoo is always on the lookout for secret wisdom. One day, Wu Hoo finds a parchment with a message written in a strange code. Befo

Third in the Hooked X series, this book explores new scientific findings and recently discovered documents that show a vastly different story of North American

Covert communications have won or lost wars, exposed political intrigue, disguised secret religions and societies, and secured financial transactions. This imme

The Secret Code Book is a short introduction to substitution ciphers. The chapters ease young readers into the concept of rotation ciphers and work their way up

A collection of four all-new strange stories from the sleepy town of Gravity Falls in one original graphic novel. Written by Alex Hirsch. Illustrated by Asaf Ha