Data courtesy of the Grand Comics Database under Creative Commons license.

Issue Details

Issue	#109
Published	April 1961
Cover Price	0.10 USD
Pages	36
Editing	Jack Schiff

Cover Details

Pencils	Dick Dillin
Inks	Sheldon Moldoff

8 page story "Track of the Invisible Beast"

Pencils	Alex Toth
Inks	Alex Toth
Reprinted	in House of Secrets (DC, 1969 series) #94 (October-November 1971); in Showcase Presents: The House of Secrets (DC, 2008 series) #1

8 page story "The Mystery of the Space Swaps"

Pencils	Kubert and Meskin
Inks	George Roussos

8 page story "The Secret of the Hybrid Creatures"

Pencils	Bill Ely
Inks	Bill Ely
Notes	Cover story.