DC Released December 1956

Detective Comics #238

Low
$45
Mid
$130
High
$440
Published December 1956
Cover Price $0.10
Pages 36

THE DOORS THAT HID DISASTER A criminal known as Checkmate is dying from radiation poisoning after escaping the Dynamic Duo. To follow through with his life's goal of "checkmating Batman" before dying, Checkmate leaves an elaborate deathtrap to his men for use against Batman and Robin, but the heroes find a way out of trouble. THE INVADERS FROM THE 4TH DIMENSION EARTH DETECTIVE FOR A DAY