Working with Paul Kurtz, publisher of Prometheus Books, Allen published 15 books, including "Dumbth: The Lost Art of Thinking with 101 Ways to Reason Better and Improve Your Mind", which was reissued in 1998. He produced "Gullible's Travels", an audiotape with original music and script that was read and sung by him and his wife "in order to introduce youngsters to the brain and its proper use." Wishing to counter the influence of the American Christian right, Allen wrote both a 1990 critique of the Bible ("Steve Allen on the Bible, Religion and Morality") as well as a sequel. A sample passage from the book that illustrated his view of the Judeo-Christian God reads: