Batman #174

THE HUMAN PUNCHING BAG! B.G. Hunter has freed criminal Roy Reynolds to use his skill of making crime getaways to capture his most ambitious hunt ever: Batman. Against his will, Reynolds provides Hunter with a perfect getaway for his crooks, while the hunter devises a trap for Batman in the shape of a giant punching bag. Batman falls for the trap, but he manages to use his knowledge of science to get out of the trap and defeat Hunter and Reynolds. THE OFF-AGAIN ON-AGAIN LIGHTBULBS! When the janitor that cleans the Mystery Analysts of Gotham City's meeting place has replaced the light bulbs with a powerful device that renders the members inert, Batman deduces the plot and counteracts it's effects. Unfortunately , the janitor escapes, leaving Batman to continue his investigation. Batman then learns that the criminal is out to get revenge against two of the members of the secret group of detectives, but his plan is eventually foiled by Batman.