This sourcebook provides tools and background for running a tabletop role-playing game set in the Silver Age of comics, focusing on the iconic Marvel Comics mutants. It details the history, key figures, and thematic elements of this era, offering game masters the necessary information to create compelling narratives and challenges for players. The content is designed to evoke the spirit and style of Silver Age comic books, presenting a world of burgeoning superpowers and complex ethical dilemmas.

This sourcebook is designed for fans of the Mutants & Masterminds role-playing game system looking to explore the Silver Age of comics. It offers a wealth of material for game masters to build campaigns centered around iconic mutant characters and themes. The content focuses on providing the necessary tools and background to recreate the feel of classic Silver Age comic book stories within the game. The inferred reception suggests it would be valued by players and GMs seeking a specific era-focused supplement for their game.