The Trail of Cthulhu Keeper’s Screen gives you the most important tables, rules and references for GUMSHOE.

A magic supplement for the best-selling and award winning Trail of Cthulhu, written by the master of Lovecraft Lore, Kenneth Hite.

The Armitage Files presents a boldly innovative way to generate blood-chilling adventures for your Trail Of Cthulhu investigators.

The Book of the Smoke is replete with contacts, rumors, and clues which will guide you on your quest for forbidden knowledge.

Out of Space contains five adventures that will take Investigators from the mountains of northern Mexico to the skies above Germany, to the smog and disease of gaslight London and the raging tides of the Atlantic Ocean.

Eternal Lies is a Trail of Cthulhu tribute to the classic Call of Cthulhu box set campaigns such as Masks of Nyarlathotep and Horror on the Orient Express.

Soliders of Pen and Ink is a Trail of Cthulhu campaign set in the dark heart of the Spanish Civil War

The Unspeakable Oath is a quarterly magazine dedicated to tabletop roleplaying games that are based on the Cthulhu Mythos.

In this comprehensive campaign guide for Trail of Cthulhu, you recreate Surrealists mundane and mystical adventures as you stumble onto the Dreamlands.

The Book of Ants, a.k.a Livre des Fourmis, gives Trail of Cthulhu Keepers and players an essential window into Paris of the 20s and 30s, and into the Dreamlands beyond.

The Unspeakable Oath is a quarterly magazine dedicated to tabletop roleplaying games that are based on the Cthulhu Mythos.

Enter a place born from all of Lovecraft’s creations, and governed by servitors of the Old Ones.­­

In Hideous Creatures: A Bestiary of the Cthulhu Mythos, we present a comprehensive look at Lovecraft’s hideous creatures.

The Handout to End All Handouts

The City Guide That Shatters Reality

Bookhounds of London is a brand new campaign setting for Trail of Cthulhu by Kenneth Hite.