Published Dec 1963 by DC.
Cover art by Sheldon Moldoff. "The Mystery of Madcap Island," script by Bill Finger, pencils by Sheldon Moldoff, inks by Charles Paris; The Dynamic Duo track Ed Kiley to Madcap Island, home to numerous wealthy eccentrics, and discovers him murdered. 2/3-page Casey the Cop story by Henry Boltinoff; Casey uses a bow and arrow instead of a gun in a hospital's quiet zone. "The Alien Boss of Gotham City," script by Dave Wood, pencils by Sheldon Moldoff, inks by Charles Paris; The Caped Crusaders face a gang led by an apparent alien brandishing amazing weapons, but Batman suspects the alien is a phony...and proves it. Your Free Trip Around the World! public service announcement about libraries, script by Jack Schiff, art by Sheldon Moldoff. 36 Pages, Full Color. Cover price $0.12.