GM Tools

Welcome to a world of science, myth, & magic… Introducing the Geologist's Primer, a system-agnostic illustrated guide to real-world crystals, minerals, and metals. Inspired by 19th-century field guides and the millennia of folklore, myths, and legends, it brings a wealth of easily-accessible, organized information straight to your gaming table. From demon-binding agate to immortal zircon, the Geol…

An illustrated guide to magical plants! Herbalist's Primer is a system-agnostic illustrated guide to real-world magical plants. Inspired by the 19th-century herbalists and the millennia of folklore, myths, and legends, it brings a wealth of easily-accessible, organized information straight to your gaming table. From screaming mandragoras to shape-shifting deadly nightshade to hawthorns holding por…

Dungeons Are Half the Game. You can’t control what players are going to do. That’s half the fun. But you can control where they do it. That’s a whole other half! The Kobold Guide to Dungeons gives both new and experienced Game Masters over 100 pages of insight and ideas into making dungeons great. In-depth essays from industry luminaries teach you to think outside your own boxes, and into a larger…

Let the Monster Masters Guide You! Classic monsters can get stale, and Game Masters often need to generate their own monstrosities to properly challenge players. But concepting, creating, and using monsters is no easy feat for any Game Master—and that’s where this book comes in. In these pages, 15 of the brightest stars in the gaming industry share their wisdom for conceptualizing, developing, and…

The Essential Elements for Building a World Roleplaying games and fantasy fiction are filled with rich and fascinating worlds: the Forgotten Realms, Glorantha, Narnia, R’lyeh, Middle-Earth, Barsoom, and so many more. It took startling leaps of imagination as well as careful thought and planning to create places like these: places that readers and players want to come back to again and again. Now,…

The Kobold Guide to Worldbuilding, Volume 2, features 15 stars of tabletop roleplaying games and fantasy fiction, such as Gail Simone, Keith Baker, Veronica Roth, Ken Liu, Kate Elliott, Mike Shea, Tobias S. Buckell, Shanna Germain, Gabe Hicks, the Dungeon Dudes (Monty Martin & Kelly McLaughlin), Jeff Grubb, and more. Middle-Earth, Faerûn, Westeros, Eberron, The World of the Wheel, Exandria … these…

The Ultimate Resource for Gamers, Game Masters, and Designers. The first edition of the COMPLETE KOBOLD GUIDE TO GAME DESIGN laid out concepts, techniques and advice for designing roleplaying games and enhancing adventures. This second edition brings together essays from the original volume by Wolfgang Baur, Monte Cook, Keith Baker, Ed Greenwood, and others, many updated to reflect the changing ga…