"The world's greatest heroes travel across the universe in this collection of Justice League Unlimited sci-fi stories, set in the beloved world of DC's animated series! The greatest heroes across the DC Universe unite in this collection featuring the best space-faring stories of Justice League Unlimited, the comic book series inspired by the beloved animated series of the same name! These stories featuresci-fi adventures starring Green Lantern, Martian Manhunter, Adam Strange, Sinestro, Space Cabby, and more! Features the work of creators including Adam Beechen, Matt Wayne, Carlo Barberi, Ethan Beavers, and Gordon Purcell."-- Provided by publisher.

"Ben Caldwell, collection cover artist" "Superman created by Jerry Siegel and Joe Shuster, by special arrangement with the Jerry Siegel family" "Originally published in single magazine form in Justice League Unlimited 4, 6, 18, 24, 34, 46."