Detective Comics comic books issue 294

Cover art by Sheldon Moldoff. "The Villain of 100 Elements" starring Batman and Robin, script by Bill Finger, art by Sheldon Moldoff (as Bob Kane); Professor Higgins has designed an element-converter, but his assistant, John Dolan, is accidentally exposed to it; The exposure causes his body to change into different elements; The professor makes a control belt for him, but the power warps Dolans mind causing him to become a criminal; While the professor works on a cure, Batman and Robin try to stop Dolan and his newly recruited gang. "The Fantastic Fish That Defeated Aquaman" starring Aquaman and Aqualad, art by Nick Cardy; Harry Black has large sea monsters at his command and is attacking shipping. "The Bullets That Backfired" text story. "The Martian Weakling" starring John Jones Manhunter from Mars, art by Joe Certa; Lost in another dimension, the criminals have Martian powers but Jones has none. 32 pgs., full color. Cover price $0.10.