Answer
Yes, Kato Kaelin has authored several books. Most notably, he wrote "Runnin' with the Devil: The Wild World of John McAfee", a 2021 book about his experiences working for software pioneer John McAfee. Kaelin has also published other works, including "American Mafia Confidential: True Stories of Mobsters, Hit Men, and Organized Crime" and the novel "Pimp: The Story of My Life".