To help you get the most out of this supplement, here is a "useful story"—a campaign hook designed to showcase the book’s specific mechanics for survival, engineering, and equipment management. The Story: "The Siege of the Broken Spoke" The Setting:

: The core book for equipment and technology from the Stone Age to the Middle Ages. You can find the digital version at Warehouse 23 . Low-Tech Companion 1: Philosophers and Kings

Your spaceship crashes on a planet with a Bronze Age civilization. The engineer uses GURPS Low-Tech to figure out how to build a smelter to turn local iron ore into replacement parts.

Low-Tech is not strictly for historical simulation. It is a vital tool for fantasy worldbuilding. If you are running a GURPS Fantasy or GURPS Banestorm campaign, this book ensures your fantasy gear operates under consistent, believable rules. It helps answer critical worldbuilding questions: How much food does a medieval village produce? How long does it take to forge a suit of plate armor? What happens when an archer shoots at an iron shield?

If you purchase the bundle of the main plus the three companions, you effectively hold the entire encyclopedia of human history up to 1700 AD.

To get the most out of the Low-Tech PDF, users often pair it with three companion PDFs (sold separately or as a bundle):

Combat efficiency often depends on the state of "readiness" of a weapon: