Mystery of the Menacing Mask (Batman and Robin / written by John Broome : reprinted from Detective Comics #327)Doorway to the Unknown (Flash / written by John Broome : reprinted from Flash #148)The Scientific Crook-Catcher (Detective Chimp / written by John Broome : reprinted from: Rex the Wonder Dog #29)Mystery of the Giant Foorprints (Adam Strange / written by Gardner Fox : reprinted from: Mystery in Space #57)Challenge of the Headless Baseball Team (written by Gardner Fox : reprinted from: Brave and the Bold #45
Key Facts
- 1st cover appearance of Detective Chimp
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