Traps & Treachery is the definitive d20 System resource for traps, tricks, puzzles, and poisons. Traps & Treachery contains more than 60 complete descriptions of magic and mechanical traps, all beautifully illustrated, detailed guidelines on trap design and classification, comprehensive rules for creating and using poisons, new prestige classes, new skills, new feats, new equipment, new magic items, the Thievery clerical domain, and more.