TEENAGE MUTANT NINJA TURTLES & OTHER STRANGENESS RPG MUTAGEN GREEN EDITIONTeenage Mutant Ninja Turtles & Other Strangeness MUTAGEN GREEN Edition RPG is a 256 page, hardcover core rule book that collects the Teenage Mutant Ninja Turtles & Other Strangeness RPG, Turtles Go Hollywood, and Truckin Turtles sourcebooks, and has oodles of bonus material that includes tribute artwork, written tributes, the story behind the making of the RPG, and never before seen concept art.