Creeper image taken from page 8, panel one of story.
The story has separate chapter titles: Part 1 - (no separate chapter title); Part 2 - Beware the Nega Realm, My Child...; Part 3 - Vampire Bait.
Continued from the strip in Adventure Comics (DC, 1938 series) #445-447. Morse lettering per Nick Caputo; previous indexer credited Steve Ditko.
Letters of comment from Kevin J. Dooley and Stuart Snyder.
The Krell are from Mystery in Space #73.