From the Back of the Book:
Ever want to be a Superhero? All you need is a pair of dice, this book, and imagination! Streamlined rules make it quick to make a Hero, and easy to play. Customize dozens of powers to make any sort of superhero from low-powered Mystery Men to Cosmic Heroes who defend the galaxy. Play in a variety of eras and settings, such as the Golden Age or Silver Age of comics, Sci-Fi superheroes, and more. Dozens of pre-made archetypes let you quickly create Heroes and Villains so you can just pick up and play.