Releasing in October - The Encyclopedia Cthulhiana, the definitive guide to the Cthulhu Mythos

Explore the definitive guide to the Cthulhu mythos—from Azathoth to Zylac.  

The Encyclopedia Cthulhiana is an essential resource for cosmic horror enthusiasts, gamers, and researchers. Learn the origins of the gods and monsters from the pantheons of H.P. Lovecraft and beyond. Gaze upon the detailed images of the elder gods. And unlock the history of the Necronomicon—if you dare!

Releasing October 28th

Inside, you’ll find:  

• Detailed entries on mythos deities, creatures, tomes, and objects, including their appearances in fiction and popular culture.  
• An in-depth essay on “What is the Cthulhu Mythos?” by author Dan Harms. 
• Evocative illustrations of major mythos creatures including Nyarlathotep, Hastur, and Cthulhu itself.  
• Timelines of the Necronomicon and the Cthulhu Mythos.  
• An extensive bibliography of cosmic horror texts.  

Dig deep into the secrets of the Cthulhu mythos in the Encyclopedia Cthulhiana. But be warned, a little knowledge is a dangerous thing…  

First published by Chaosium in 1994, Dan Harms' Encyclopedia Cthulhiana: A Guide to Lovecraftian Horror won an Origins Award for a Special Achievement the following year. Chaosium published an updated second edition in 1998, and a third edition was published by Elder Signs Press in 2008.

Chaosium’s new fourth edition features updated text and is presented in a new full color, hardback format with interior art, and cover art by John Sumro.