View source for OGL/Spheres: Expanded Options

{{OGL Entry
|Book=Spheres: Expanded Options
|Tag=EO1
|Open Game Content=The Book of Experimental Might. Copyright 2008, Monte J. Cook. All rights reserved.

Tome of Horrors. Copyright 2002, Necromancer Games, Inc.; Authors: Scott Greene, with Clark Peterson, Erica Balsley, Kevin Baase, Casey Christofferson, Lance Hawvermale, Travis Hawvermale, Patrick Lawinger, and Bill Webb; Based on original content from TSR.

Pathfinder Roleplaying Game Advanced Class Guide © 2014, Paizo Inc.; Authors: Dennis Baker, Ross Byers, Jesse Benner, Savannah Broadway, Jason Bulmahn, Jim Groves, Tim Hitchcock, Tracy Hurley, Jonathan H. Keith, Will McCardell, Dale C. McCoy, Jr., Tom Phillips, Stephen Radney-MacFarland, Thomas M. Reid, Sean K Reynolds, Tork Shaw, Owen K.C. Stephens, and Russ Taylor.

Pathfinder Roleplaying Game Ultimate Magic. © 2011, Paizo Publishing, LLC; Authors: Jason Bulmahn, Tim Hitchcock, Colin McComb, Rob McCreary, Jason Nelson, Stephen Radney-MacFarland, Sean K Reynolds, Owen K.C. Stephens, and Russ Taylor.

Pathfinder Roleplaying Game Ultimate Combat. © 2011, Paizo Publishing, LLC; Authors: Jason Bulmahn, Tim Hitchcock, Colin McComb, Rob McCreary, Jason Nelson, Stephen Radney-MacFarland, Sean K Reynolds, Owen K.C. Stephens, and Russ Taylor.

Pathfinder Roleplaying Game Advanced Player’s Guide Copyright 2010, Paizo Publishing, LLC; Author: Jason Bulmahn.

Pathfinder Roleplaying Game Advanced Race Guide © 2012, Paizo Publishing, LLC; Authors: Dennis Baker, Jesse Benner, Benjamin Bruck, Jason Bulmahn, Adam Daigle, Jim Groves, Tim Hitchcock, Hal MacLean, Jason Nelson, Stephen RadneyMacFarland, Owen K.C. Stephens, Todd Stewart, and Russ Taylor.
}}