The original printing and Showcase Presents: The House of Secrets #2 both credit the inks to Mike Sekowsky, but The Comic Reader #99 credits the art to Cardy and Sekowsky. Based on the art and the artists' usual practices, however, the roles were much more likely reversed, as recorded here and as suggested by Nick Caputo.
Letters from: Dan Gheno, Paul Edwards, Dale Pooley, John Scholz, Michael Tracy.
3 cartoons featuring Abel.
A ghost pushes on the scale that Abel is weighing himself on.
An exterminator runs from Abel's house.
The House of Secrets is mistaken for a lighthouse.