Batman stars in the story "Half an Evil" which is the first appearance of the Silver Age Two-Face.
Story One: Half An Evil Batman follows the clues through a series of crimes to discover Two-Face's latest heist- a hidden treasure aboard an old ship!
Story Two: Vengeance for a Cop featuring Robin
While searching for a missing girl, Robin stumbles upon a hidden commune called the Van Winkle
Story Three: Trail of the Talking Mask
Reprinting a story originally featured in Detective Comics #335
— Description from Comic Vine community (comicvine.gamespot.com).
