"ESTADO GOOD  1st Silver Age appearance of Golden Age Robin. Cover pencils by Mike Sekowsky, inks by Murphy Anderson. The Super-Crisis That Struck Earth-Two!, script by Gardner Fox, pencils by Mike Sekowsky, inks by Sid Greene; The JSA, with new member an adult Robin, confront and are defeated by four normal persons on Earth-2, powered by black matter from another universe; When they ask for help from the JLA using Johnny's T-Bolt, he brings them a battered JLA team, suffering the same problem as their counterparts; Both groups them learn the black matter's origins, and resolve to end the problem on Earth-2 first, lest both worlds be destroyed; features the Arrowcar. Letter to the editor from comics writer Bob Rozakis. 36 pgs.   Published Aug 1967 by DC"