GURPS Low-Tech: The Ultimate Sourcebook for Pre-Industrial Campaigns is an essential supplement for the GURPS Fourth Edition
: The main book is often used alongside PDF-exclusive supplements like Low-Tech Companion 1, 2, and 3 gurps low-tech pdf
You are a GM who loves historical accuracy, economic realism, and crafting systems. You want your players to understand that carrying a polearm through a forest is a logistical problem. gurps low-tech pdf