From the back cover:
The definitive d20 System resource for traps, tricks, puzzles, and poisons.
- More than 60 complete descriptions of magic and mechanical traps, all beautifully illustrated.
- Detailed guidelines on trap design and classification that organizes and streamlines the process of designing new traps and integrating them into your adventures.
- Comprehensive rules for creating and using poisons.
- Detailed listings of new poisons, natural and supernatural alike.
- New prestige classes, including the trapmaster, roofrunner, and discreet companion.
- A new NPC class, the thug.
- New skills and feats, such as Urban Lore and Brew Poison.
- New equipment and magic items.
- The Thievery clerical domain, as well as new arcane and divine spells.
- Tricks and techniques for disabling traps.
- A comprehensive section on designing, developing, and integrating thieves' guilds into your campaign.
- A chapter detailing a variety of mind-bending puzzles with which to confound your players, including logic puzzles, math puzzles, word puzzles, and chess puzzles, as well as physical challenges and obstacles to test your characters.