(W) Gardner Fox, Dennis O'Neil (A) Mike Sekowsky, Others (CA) Mike Sekowsky, Murphy Anderson In these epics from Justice League of America #31-76 and Mystery in Space #75, the World's Greatest Super Heroes face Brain Storm, the Key, the Royal Flush Gang, Felix Faust, and numerous threats from across the cosmos! Guest-starring Metamorpho, the Justice Society of America, and more!