J’onn J’onzz, the Martian Manhunter, has held on to a secret for decades, one that threatens to shatter not only his relationships, but the Earth itself! When that secret is finally revealed by an enemy, the Justice League of America must swing into action to uncover a vast Martian conspiracy before it can doom the world! But how can the JLA fight super-powerful foes who can effortlessly impersonate anyone? Guest starring the New Titans and the Outsiders, and featuring the final fate of Captain Comet!
When cosmic energy strikes the Earth, astronaut Stacy Macklin is given another chance to become Lady Lunar, but this time as a super-heroine! And she is not the only one, as she meets several other heroes and villains in similar situations: Karb-Brak the Andromedan, Remoni-Notra the second Star Sapphire, Moonman, Pulsar, and Skyman! To learn the secret of their cosmically restored powers, they must embark on an epic voyage to outer space! Meanwhile, various worlds are bombarded by mind-controlled armies bent on destruction! Who is behind this cosmic conquest? And what has all this got to do with a humble bookstore owner named Julius Leiber? Guest starring the Honor Team of Thronn, Queen Bee, Ron-Avon, and Genia, and introducing Cobol the Starknight!