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| Publisher |
DC |
| Artist |
Sheldon Moldoff |
| Writer |
Jack Miller |
| Writer |
Dave Wood |
| Writer |
Edmond Hamilton |
| Writer |
Henry Boltinoff |
| Artist |
Henry Boltinoff |
| Letterer |
Henry Boltinoff |
| Artist |
Joe Certa |
| Artist |
Ruben Moreira |
| Cover Artist |
Sheldon Moldoff |
| Inker |
Stan Kaye |
| Letterer |
Pat Gordon |
| Published | June 1956 |
BATMAN AND ROBIN’S GREATEST MYSTERY Criminal scientist Jay Caird robs Batman and Robin of their memories using a sonic beam machine, and they must use their detective skills to learn who they really are. With assistance from Commissioner Gordon, Batman and Robin investigate their past cases and they are able to deduce their secret identities, and then they capture Caird and confiscate the sonic ray that stole their memories. THE MAN WHO HID HIS POWERS THE MARTIAN CONVICT Detective John Jones is assigned to go undercover in disguise at a penitentiary to learn who is the ringleader of a suspected prison-break plan. Warden Powers tells Jones, disguised as thief Willy Hands, that he knows Big Mike Kent is the main plotter, but does not know who his other main confederates are. Jones confirms Powers's suspicions and learns the identity of the second of three plotters, but his disguise is knocked off accidentally and a convict recognizes him. The Martian survives two attempts to murder him and then discovers the other two ringleaders and turns all three over to Warden Powers.
