Doc Savage Double Novel Volume 76 Mindless Monsters

"The pulp era's greatest superhero returns in two action-packed novels by Alan Hathway and Lester Dent! First, super-powered zombies go on a crime spree, including a graduate from Doc's Crime College! Can Doc Savage destroy 'The Mindless Monsters' and prove that he's not their hidden leader? Then, why is a young engineer terrorized by a tiny white bird? The Man of Bronze faces one of his greatest challenges as he strives to defeat 'The Mental Monster.'"