"Nightmare Island"
Penciled by Carmine Infantino & inked by Sy Barry.
8 pages.
"Vengeance of the Invisible Men"
Penciled & inked by Murphy Anderson.
8 pages.
Johnny Peril in "Horror in the Lake"
Written by Robert Kanigher, penciled by Frank Giacoia & inked by Sy Barry.
Reprinted in DC 100-Page Super Spectacular #4.
8 pages.
Cover art by Gil Kane.