Collects Justice League: A Midsummer's Nightmare #1-3.
Also includes an introduction by Grant Morrison.
*In Justice League: A Midsummer's Nightmare, the greatest super-heroes in the universe become powerless as the regular citizens of the world gain amazing abilities. Trapped in a fantasy world with no recollection of their true existence, Superman, Batman, Flash, Wonder Woman, Green Lantern, Aquaman, and the Martian Manhunter experience the peaceful lives that they have always been denied. But as each of the heroes realizes that something is amiss, they begin to investigate and discover that they have fallen prey to the evil machinations of Doctor Destiny. Working together to defeat the manipulative madman, the mightiest heroes of the world realize the need for their combined strength and re-form the all-powerful Justice League.
*Source: dccomics.com