BATMAN (1940) #203

“THE 1,000 SECRETS OF THE BATCAVE!” An escaped criminal breaks into Wayne Manor and discovers a shocking secret…the Batcave! This « 80 Page Giant G-49 » is a collection reprints about Batman’s super-sanctum, The Batcave! Plus a 2 page view of the Batcave, and a Batmobile story are also included. The 1000 Secrets of the Batcave! (Batman, Robin, Commissioner Gordon / written by Bill Finger : reprinted from: Batman #48) An escaped convict accidentally finds the Batcave. Will he tell the world his discovery?…