After publishing his first novel in 1968, Pennsylvania-born Dean Koontz wrote under various pseudonyms throughout the 1970s—including as "Brian Coffey" for The Wall of Masks—before finding mainstream success in the 1980s. He holds the distinction of being among a small number of authors with 14 career number-one titles on the New York Times hardcover bestseller list! Koontz's 4-page contract with publisher Bobbs-Merrill Company is dated July 19th, 1973, and it features his blue-ink "10" signature and initials. EX condition. JSA sticker, no cert.