This is a lot of 3 Dean Koontz novels written early in his career. These are paperbacks published in the early 1970s. All 3 are 1st paperback editions.
The Flesh in the Furnace
Bantam S6977; 1972
Cover says "First Publication Anywhere"
Condition: Like New. Pages a bit yellowed with age.
Demon Seed
Bantam N7190; 1973
Cover says "First time in paperback"
Condition: Like New. Pages a bit yellowed.
Warlock
Lancer 75386; 1972
Cover says "A Lancer Science Fiction Original"
Condition: Very good. Some imprints, wrinkles, and soiling on cover and edge. Light spine creasing. Previous owner stored this in a zip lock bag. I removed for photos, but placed back in bag when done.
Please see all photos.