DC Released January 1956

Detective Comics #229

Low
$70
Mid
$215
High
$720
Published January 1956
Cover Price $0.10
Pages 36

THE 10,000 SECRETS OF BATMAN! Batman's microfilmed crime-file is stolen during a TV crew's visit to the Batcave, and the Caped Crusader uses his regular electronic crime-file to deduce the culprit. THE DIAMOND MINE ON BROADWAY THE PHANTOM BODYGUARD Detective John Jones is assigned to protect a realtor who claims his partner is trying to murder him.