Detective Comics comic books issue 312

Cover art by Sheldon Moldoff. The Secret of Clayface's Power starring Batman and Robin, script by Bill Finger, pencils by Sheldon Moldoff, inks by Charles Paris; Matt Hagen breaks jail again and uses his pool of protoplasm to renew his Clayface identity; Using his powers, Hagen is unstoppable, until Batman follows Hagen to the secret grotto, where the pool is located. Batman and Hagen start fighting and both of them fall into the pool, after which they are both transformed into clay; Batman uses his new powers to become a Clayface-Batman in order to fight Clayface on even terms; At the end of the fight, Batman defeats Clayface and returns him to prison. Health Myths Debunked! public service announcement, script by Jack Schiff, art by Sheldon Moldoff. "J'onn J'onzz's Pesky Partner" starring John Jones Manhunter from Mars, art by Joe Certa; Doc Duggan and his gang, despite their super scientific weapons, are no match for the Manhunter and his new sidekick, Zook. Combat Sleuths article. Statement of Ownership; average circulation: 265,000. 32 pgs., full color. Cover price $0.12.