On April 24, 2018, Little, Brown and Company published Tapper's first novel, a political thriller entitled The Hellfire Club. The novel follows a fictitious freshman Congressman discovering corruption and conspiracy in 1950s Washington, at the height of the McCarthy era.[39] The book debuted at Number 3 on the New York Times Best-Seller List for Hardcover fiction, and remained on the Best-Seller list for four weeks total.