Two Mythos Masterpieces out now for Halloween: The Keeper Companion and The Encyclopedia Cthuliana
Posted by Michael O'Brien on 28th Oct 2026

Two exciting, highly anticipated Mythos Masterpieces out now for Halloween!
The Keeper Companion

Packed with rules options and three scenarios, the Call of Cthulhu: Keeper Companion has something for everyone, whether novices or veterans. The book is designed to help you get the most out of your games!
The Keeper Companion includes:
- New methods for creating investigators.
- System for creating investigator organizations & revised skills.
- Streamlined & optional rules for skill rolls, combat & chases.
- Sanity rules revisited.
- Advice & options for online play & other considerations
- Advice on scenario design, game mastering, and spicing up monsters & NPCs.
- Revised investigator and pulp hero sheets and other play aids.
Plus three new scenarios, each showcasing the options in this book:
- Little Miracles: a beginner-friendly scenario set near Arkham, concerning a missing professor from the Miskatonic University.
- If I Had a Hammer: a comfortable Friday night at home turns into a nightmare.
- What a Puzzler!: an investigative scenario about the new fad for jigsaw puzzles.

The Call of Cthulhu: Keeper Companion contains maps and handouts for each of the included scenarios. The book also provided revised investigator sheets and Pulp Cthulhu hero sheets, and a wealth of additional play aids.
Get your copy of The Keeper Companion Today!
The Encyclopedia Cthuliana

From Azathoth to Zylac—the Encyclopedia Cthulhiana is an essential resource for cosmic horror enthusiasts, gamers, collectors, and researchers.
Fully revised and updated for the 21st century.
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.

This epic tome contains evocative illustrations throughout— Nyarlathotep, Hastur, and Cthulhu realised in full color! Use the Encyclopedia Cthuliana to fill your imagination with entities of the Mythos like never before.