Jon Sable - Successful children's book author on the adventure SABLE/ABC/1987-88. John Sable penned The Friends of B.B. Flemm, a best-selling series of children's books. He also created the daily comic strip Jon Sable, Freelance. In reality, Jon Sable was the alias of Nicholas Flemming, a wanted man who killed the murderers of his wife and children in Africa and then reestablished a new life and identity in the Windy City (Chicago, IL).