Letterer credit by Martin O'Hearn and Joe Desris.
Script credit by Martin O'Hearn. Penciler credit verified by Sprang.
The Batman TV show borrowed one of their "death traps" -- the Dynamic Duo stuck on the top of a big cake with plaster "icing" -- from this story.
Inker credit verified by Paris.
Letters from Carl Seyfferth, Skippy Wells, Mort Maxim, Daniel Lane, Zelda Trapper, Clarence Smythe, and Edna Boland.
Script credit by Martin O'Hearn. Inker credit verified by Paris.
This story features the only time Lex Luthor appears in a Batman story by himself as the lead villain before the 1990's.