Even more prolific than BarkerC by SheahanJ

Question 1

"Never write more than one novel in a year," his publishers told him. "You'll dilute your brand and eventually become the punch line to jokes about authors who write too much." So, beginning in 1977, Stephen King began using a pseudonym for some of his excess production, which would include the novels The Long Walk and The Running Man. What was the pseudonym?