Detective Comics #154

UNDERGROUND RAILROAD OF CRIME When prisoners from the Gotham State Penitentiary start escaping and are never found again, Batman and Robin are called to investigate the case. Batman goes undercover as a convict inside the prison and he learns about a secret organization that offers inmates a chance to escape in return for a portion of their hidden or stolen loot. After infiltrating a jailbreak, Batman is able to find the base of operations of the "underground railroad" and with Robin's help, they capture the criminals and send them back to prison. THE RIDDLE OF THE RUBY ROBOTMAN, MIND-READER DEATH IN THE NORTHWOODS