New York: Ace Publishing Corporation, 1969. First Edition. Sharp copy of Koontz's second standalone novel, with alien cover by Jack Gaughan. Item #2081
First Printing, both titles paperback original novels (Ace 23140). Octavo; illustrated wrappers; yellow-orange edge-staining; 131, 125pp + foldout ad leaf at center. Tiny ownership label to verso of front wrapper, pinpoint wear to spine ends, else Fine and unread, with the edge-staining bright and even.