Mutants & Masterminds RPG is a 9-book series with 9 released primary works first released in 2003 with contributions by Sean Glenn, Green Ronin Publishing, Super Unicorn, Lucien Soulban, Stephen Kenson, James Dawsey, Christopher McGlothlin, Jack Norris, Crystal Frasier, Alexander Thomas, Jennifer Dworschack-Kinter, Miranda Sparks, Fred Wan, and Jordan Wyn.