House of Secrets #23

1st Appearance of Elsa Magusson; 1st Appearance of Mark Merlin; Origin of Mark Merlin

I Scout Earth’s Strangest Secrets; The Creeping Creatures of Steel; The Brief Life of Mr. Mechano (text); The Crazy House; The Curse of the Prophetic Pencil

Writer: Henry Boltinoff

Artists: Mort Meskin, Henry Boltinoff