Alex Riggs

Ancient Idols

Ancient Idols

Year unknown Jason Nelson, Julian Neale, and Alex Riggs

Ancient Tombs : (swade)

Ancient Tombs : (swade)

Year unknown Julian Neale, Alex Riggs, and Anthony Adam

Mythic Magic

Year unknown Legendary Games, Alex Riggs, and David N. Ross

Mythic Monsters

Mythic Monsters

Year unknown Jason Nelson, Alex Riggs, Mike Welham, and Jen Page

Pathfinder Player Companion

Pathfinder Player Companion

Year unknown Saif Ansari, Alexander Augunas, Mara Lynn Butler, Michelle Jones, Avi Kool, and Alex Riggs

Pathfinder Player Companion

Pathfinder Player Companion

Year unknown Alexander Augunas, Isabelle Thorne, Luis Loza, Alex Riggs, Mark Seifter, Loren Sieg, and Jeremy Smith

Pathfinder Roleplaying Game

Pathfinder Roleplaying Game

Year unknown Alexander Augunas, Logan Bonner, Paris Crenshaw, Dan Dillon, Crystal Frasier, Amanda Hamon Kunz, Eric Hindley, Mikko Kallio, Dale C. McCoy, Jr., Stephen Radney-MacFarland , Thomas M. Reid, Alistair Rigg, Alex Riggs, Mark Seifter, and Linda Zayas-Palmer

Pathfinder Roleplaying Game

Year unknown John Bennett, Logan Bonner, Robert Brookes, Jason Bulmahn, Ross Byers, Adam Daigle, John Compton, Jim Groves, Thurston Hillman, Eric Hindley, Brandon Hodge, Ben McFarland, Erik Mona, Jason Nelson, Tom Phillips, Stephen Radney-MacFarland , Thomas M. Reid, Alex Riggs, F. Wesley Schneider, Robert Schwalb, Mark Seifter, Russ Taylor, and Steve Townshend

Scorpions of Perdition

Scorpions of Perdition

Year unknown Alex Riggs and Nicolas Logue

Scorpions of Perdition (5E)

Scorpions of Perdition (5E)

Year unknown Alex Riggs, Nicolas Logue, Matt Kimmel, and Legendary Games