JLA: Heaven's Ladder

The forces of the Justice League of America-including Batman, Superman, Wonder Woman and the Flash-face a threat beyond imagination in this all-new graphic novel. The entire planet Earth has been stolen by a race of aliens who collect worlds from throughout the universe. To free the Earth from the aliens' clutches, the Leaguers first must learn why a super-intelligent race would commit such heinous crimes. What the heroes discover embroils them in a mission to answer the profound mysteries that elude even the most super-advanced lifeforms in the universe.