GURPS Space 4E Softcover *OPJon F Zeigler, James L. Cambias, Wil Upchurch, Jesse DeGraff, Alan Gutierrez, Chris Quilliams · First published 2009Open the Tome
Mysteries of the MoonseaThomas Reid, Sean Reynolds, Darrin Drader, Wil Upchurch · First published 2006Open the Tome
Champions of RuinJeff Crook, Wil Upchurch, Gwendolyn F.M. Kestrel · First published 2005Open the Tome
