Storyline
The Joker tests the wits of the Dynamic Duo with a crime spree, each day's caper based on the "Tune of the Day" on radio.
Story Notes
Lew Sayre Schwartz pencils credit removed, as he said he did not work on this story. Inks credit per Craig Delich; we previously credited Charles Paris.
Splash page replicates the cover. Story later adapted as part of Batman vs. 3 Villains of Doom (Signet, 1966 series), a prose novel.