JLA VOL. 7: TOWER OF BABEL
Batman's greatest rival, Ra's al Ghul continues his quest to save Earth from humanity by thinning the ranks of the human populace. But after being thwarted over and over again, Ra's seeks to distract Batman by stealing the bodies of his dead parents while he enacts his nefarious plot. And to insure that Superman, Wonder Woman, Green Lantern, the Flash and the rest of the JLA do not interfere with his plans, he individually defeats each of the heroes using strategies developed by Batman himself! And when the League learn of his betrayal, they look to expel the Dark Knight from their ranks.
JLA VOL. 4: STRENGTH IN NUMBERS
With Superman, Batman, Green Lantern, Wonder Woman, the Flash, Martian Manhunter, and Aquaman as members, the JLA was made up of the greatest heroes in the universe. But as old foes create unholy alliances and new enemies attack out of nowhere, Batman realizes that the team must increase its numbers. Joined by such new allies as Plastic Man, Steel, Zauriel, the Huntress, and Oracle, a truly almighty team comprised of super heroes, aliens, gods, and monarchs prepare for battle against any and all threats.