Info édition : Contient Batman (1940) #692-699. Sous la jaquette, illustration de Tony Daniel (issue du #697) non maquettée. Noté "First printing".
Résumé: Batman searches for a new crime boss calling himself Black Mask – and Gotham City has reached the boiling point. But when pandemonium breaks out at the opening of the new Arkham Asylum, even the combined forces of Oracle, Huntress and Catwoman may not be enough!