From the Back Cover:
Law and Order Beware - Chaos Rules!
Chaos seethes with the primal forces of the universe. The strong can harness its power within strange devices unlike anything the world has ever seen: chaositech. This unique sourcebook from 3rd Edition co-designer Monte Cook introduces chaos-powered items that resemble both technology and magic, but are truly neither. Within these pages, discover the secrets of devices like the cohesion blaster, the darkness imbiber, and fleshworkers.
Chaositech also contains rules for chaos magic, including dozens of new spells, original skills, feats, and prestige classes. Topping it all off is a rundown of the major chaos cults, a collection of mutation rules, plus details on the chaosomaton, fused aberration, and other all-new chaotic monsters - including the Galchutt, the very Lords of Chaos themselves.
Much of the content of Chaositech comes directly from Monte's long-running home campaign. It's proven material ready to drop into any game. All the rules have been updated to v. 3.5 of the d20 System. Now you too can harness the wild power of chaos with this d20 sourcebook!