the abilities, and an additional "power modifier" that acts like an enhancement (rare) or limitation to the power as a whole. GURPS Social Engineering (PDF) by William H. Stoddard GURPS Social Engineering: Back to School (PDF) by William H. Stoddard GURPS Social Engineering: Pulling Rank (PDF) by Sean Punch GURPS Social Engineering: Keeping in Contact (PDF) by Kelly Pedersen GURPS Tactical Shooting by Hans-Christian Vortisch GURPS Thaumatology by Phil Masters Extends further the rules about magic, adding ceremonial, spirit, runic, freeform, material (alchemy, herbalism), and real-world-inspired magic. GURPS Thaumatology: Chinese Elemental Powers (PDF) by William H. Stoddard GURPS Thaumatology: Magical Styles (PDF) by Sean Punch GURPS Magical Styles: Dungeon Magic (PDF) by Sean Punch GURPS Magical Styles: Horror Magic (PDF) by Sean Punch GURPS Thaumatology: Ritual Path Magic (PDF) by Jason "PK" Levine GURPS Thaumatology: Sorcery (PDF) by Jason "PK" Levine GURPS Sorcery: Sound Spells (PDF) GURPS Thaumatology: Urban Magics (PDF) by William H. Stoddard Power-Ups These supplements add a small set of new abilities for characters. GURPS Power-Ups 1: Imbuements (PDF) GURPS Power-Ups 2: Perks (PDF) GURPS Power-Ups 3: Talents (PDF) GURPS Power-Ups 4: Enhancements (PDF) GURPS Power-Ups 5: Impulse Buys (PDF) GURPS Power-Ups 6: Quirks (PDF) GURPS Power-Ups 7: Wildcards (PDF) GURPS Power-Ups 8: Limitations (PDF) GURPS Power-Ups 9: Alternate Attributes (PDF) Creatures Aliens GURPS Aliens: Sparrials (PDF) Creatures of the Night These handbooks describe monsters and creatures. All volumes are written by Jason "PK" Levine and Scott Paul Maykrantz; volumes 1-4 illustrated by Scott Paul Maykrantz. GURPS Creatures of the Night, Volume 1 (PDF) GURPS Creatures of the Night, Volume 2 (PDF) GURPS Creatures of the Night, Volume 3 (PDF) GURPS Creatures of the Night, Volume 4 (PDF) GURPS Creatures of the Night, Volume 5 (PDF), illustrated by Dan Smith (artist) Dragons GURPS Dragons (3rd Edition with 4th Edition appendix) by Phil Masters, illustrated by Alex Fernandez Fantasy Folk GURPS Fantasy Folk: Elves (PDF) Technology and equipment These handbooks describe the data, in terms of GURPS, of specific objects, gadgets and vehicles, and how to construct new ones. GURPS Bio-Tech, second edition, by David Pulver and David Morgan-Mar describes medical techniques and enhancements, and modified life forms. GURPS High-Tech, second edition, by Hans-Christian Vortisch, S.A. Fisher and Michael Hurst, describes technologies from the invention of gunpowder to the present day. GURPS Low-Tech, second edition, by William H. Stoddard, Matt Riggsby, Peter V. Dell'Orto and Dan Howard GURPS