World's Finest Comics #261

Synopsis

1. Showdown at Gotham City (Superman and Batman vs. Penguin and Terra Man / written by Denny O'Neil, edited by Julius Schwartz)2. The Relativity of Auntie Gravity (Green Arrow and Black Canary / written by Gerry Conway)3. Return of the River Rat (Black Lightning / written by Denny O'Neil)4. [4 pages of Hawkman facts] (written by Bob Roazkis)Tells the origin of Hawkgirl5.Case of the Runaway Sculpture (Captain Marvel and Mary Marvel / written by E. Nelson Bridwell)