GURPS Fourth Edition
GURPS Fourth Edition is a 18-book series with 18 primary works first released in 2002 with contributions by William H. Stoddard, Peter Dell'Orto, Dan Howard, Matt Riggsby, Steve Jackson, Sean Punch, David L. Pulver, Phil Masters, Jonathan Woodward, Kenneth Hite, John M. Ford, David Morgan-Mar, Jon F. Zeigler, James L. Cambias, Kenneth Peters, Shawn Fisher, Michael Hurst, Hans-Christian Vortisch, Jake Steinmann, and Jason "PK" Levine.
2013 • 1 Reader • 65 pages • 4
2002 • 1 Reader • 128 pages
2005 • 1 Reader
2008 • 1 Reader
2005 • 1 Reader
2005 • 1 Reader
2004 • 2 Readers
2009 • 1 Reader
2006 • 2 Readers
2011 • 1 Reader • 50 pages
2007 • 2 Readers
2008 • 1 Reader
2007 • 1 Reader
2006 • 2 Readers
2004 • 2 Readers • 5
2004 • 2 Readers • 5
2004 • 2 Readers • 5
2007 • 2 Readers