Darkfall by Dean R. Koontz 1984 Hardcover Book Club Edition DJ

Night Chills by Dean Koontz 1983 Paperback

The Servants of Twilight by Dean Koontz - VINTAGE HORROR 1st Edition 1984 PB VG

Berkley Books Darkfall by Dean R. Koontz Paperback Horror 1984 Vintage

The Key To Midnight Paperback by Dean Koontz Vintage Classic Horror

“Night Chills” by Dean R. Koontz - 1984 Paperback - Horror - Vintage

Lightning Dean Koontz Paperback 1988 Vintage Classic Horror Koontz

Berkley Books Whispers by Dean R. Koontz Paperback Horror Thriller 1981