Detective Comics comic books issue 171

Cover by Win Mortimer. Stories by unknown. Art by Dick Sprang, Charles Paris, Bruno Premiani, Frank Bolle, Dan Barry and Henry Boltinoff. Released from prison, the Penguin pledges to go straight and sets up a bird refuge, but Batman doesn't believe him. Batman and Robin follow the Penguin and stop him as he goes to a bank, a jewel importer, a metal refinery, a night club, and a curio shop, but in all cases it turns out Penguin is there not to rob, but to return items previously stolen by him. However, Batman soon discovers that the items returned are key to the Penguin's latest scheme in "The Menace of the Giant Birds!" with art by Dick Sprang and Charles Paris. Plus: Pow-Wow Smith, Indian Lawman in "Indian Posse!" with art by Bruno Premiani; Robotman in "The Powerless Robot!" with art by Frank Bolle; Impossible -- But True! tale "The Amazing Mr. Planet!" (featuring Roy Raymond) with art by Dan Barry; and Dover and Clover in "Black and Blue!" with art by Henry Boltinoff. Also: Varsity Vic 1-pager by Boltinoff; Quick Quiz activity page by H.T. Elmo; Casey the Cop half-pager by Boltinoff; and 2-page text piece "From Table Top to Battlefield" by Mason Gould. 52 pages, full color. Cover price $0.10.