From the back cover:
QuestWorlds is a rules engine designed for play in cinematic, larger-than-life settings inspired by classic pulps, comic books, and weird fiction.
Inside you'll find:
A rules-light system focussed on resolving in-play conflicts quickly and easily.
A simple core mechanic, and optional rules allowing you to customize your game to suit any setting.
Fast character creation rules enabling you to start playing straight away - ranging from an every-day accountant to an enigmatic super-human mastermind; the possibilities are limitless!
Rules for designing your own QuestWorlds settings - bringing the epic adventures of your dreams to the tabletop.
QuestWorlds is a self-contained roleplaying system. No other books are required to play.