Issue: #346
Last valuation update: 2025-09-26
Escape artist Carnado steals money to purchase a seemingly inescapable trap from designer Eivol Ekdal. Batman tries to escape from said trap.What is the mystery behind the annual April 1st robbery of $100,000? Batman will find out - once he solves the Inescapable Doom-Trap!
First appearances: Eivol Ekdal
Creators: Carmine Infantino, Julius Schwartz, Sheldon Moldoff, Gardner Fox, Joe Giella, John Broome
Characters: Batman, Dick Grayson, James Gordon, Elongated Man, Sue Dibny, Eivol Ekdal