From publisher blurb:
The third expansion for Fapp explores the fast and loose themes of comicbook superheroes, expanding on a modern setting where all manner of deviant mutants and masterminds run rampant! Check out the superheroic antics of Babylon City's fantastically endowed heroes, the heinous schemes of its sultry villains, and the shady schemes of those in-between!
This 67-page, full-color book contains additional content for the Fapp tabletop RPG system. No other Fapp Products are required to play, but other sourcebooks can be used to add additional content to your play sessions.