Knowledge Check: Codes & Cyphers
Knowledge Check is a product line for players and gamemasters. Each book is a collection of rules and information designed to add a little knowledge to any fantasy campaign, focusing on a particular aspect of the skill system and adding depth and breadth to your play experience.
Knowledge Check: Codes and Cyphers enters the world of secret writing, exploring the history of codes and cyphers. It introduces new spells, feats, an archetype, and even a set of codes to introduce into your game, and a band of codemakers and codebreakers to vex or help your PCs. Knowledge Check: Codes and Cyphers is the book to add a few letters and numbers of intrigue to your game!