Mutants & Masterminds (Superheroes RPG), by Steve Kenson
Mutants & Masterminds: Book Of Magic, by Carriker, Joseph
Mutants & Masterminds: Game Master's Screen 1st Edition, by
Mutants & Masterminds: Instant Superheroes Sourcebook (Mutants & Masterminds Sourcebook), by Hammes, Michael, Reed, Philip
Mutants & Masterminds: Ultimate Power Sourcebook, by Kenson, Steve
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