This issue is a variant of Detective Comics (DC, 1937 series) #525 [Direct]. There exist further variants.
Colors credit confirmed by Anthony Tollin.
Story continues from Batman (DC, 1940 series) #358. Continues in Batman (DC, 1940 series) #359.
Letters of comment from Adam Burchess, Scott Gibson, John Wells, Mike Sopp, Charles D. Brown and Don MacFadden.