Dungeons: A Guide to Survival in the Realms Below

Requires the use of the Dungeons and Dragons Player's Handbook, Third Edition, published by Wizards of the Coast

This book is published under the Open Gaming License and is 100% compatible with 3rd edition rules.

The Definitive Guide To Dungeons and Catacombs For Players and DMs Alike

Dungeons are an integral part of fantasy gaming, but there's far more to them than just stone corridors and random monsters. This book contains a plethora of tips, tricks and rules to help make your dungeons the stuff of legend. It includes essays on design and construction, overviews of different dungeon types, player advice for surviving underground perils, and a host of new rules, spells, monsters, and magic items.