Batman (1940) #209 FN
Published Feb 1969 by DC.
Cover art by Irv Novick. "Jungle Jeopardy," script by Frank Robbins, pencils by Irv Novick, inks by Joe Giella; The gang lords of Gotham hire Mr. Esper, alias "Brainwash", to defeat Batman and Robi; They lure the two heroes to a bank robbery in order to implant a subliminal device beneath the Batmobile; Esper forces the Dynamic Duo to return to the Batcave, where they are induced to see it as transformed into an African jungle with wild animals. Letter to the editor from comics historian Peter Sanderson Jr. One-page "Fact File" covers the Golden Age Green Lantern. 36 Pages, Full Color. Cover price $0.12.