Unleash the awesome power of golems, clockworks, robots, and other automatons on the Pathfinder world! In Pathfinder Campaign Setting: Construct Builder's Guidebook, you'll learn the secrets of Pathfinder's mightiest magical creations and new methods for making them more versatile than ever before! Vast suites of variations and modifications mean that no construct need ever be the same, and allow you to customize even the most familiar arcane mastercrafts. New options for characters also allow adventurers to bring their creations to the battlefield like never before. Finally, the heights of magical creation are laid bare in this guide to the golemcrafter's art!