Page 156: Traps for Small Game . The figure-4 deadfall. A squirrel could mean the difference between another week and giving up.
The PDF covers human technological development up to approximately 1450 A.D., divided into specific eras: the Stone, Bronze, Iron, and Middle Ages. Detailed Weaponry: gurps low-tech pdf
You do not need to read the cover to cover. Use it as a reference. Page 156: Traps for Small Game
You can buy the PDF directly from the Steve Jackson Games Warehouse 23 or through DriveThruRPG . The PDF covers human technological development up to
It replaces the simplified Basic Set armor with a modular "Armor Locations" table. Players can calculate cost and weight for specific body parts (e.g., just the forearms or shins) rather than buying a full suit. Mobility & Survival:
Beyond the gaming table, the supplement is often cited by writers and world-builders as a research shortcut. By categorizing inventions by Tech Level (TL), it provides a logical framework for "what would be possible" in a fictional setting. If a society has mastered seafaring (TL3) but lacks advanced mathematics, the ripple effects on their trade and warfare are easily calculated using the book's systems.