 In 2018, it was announced that Ellefson had begun work on "More Life With Deth", the follow-up to his 2013 memoir "My Life With Deth", to be co-written with Ellefson's business partner, and frequent collaborator, Thom Hazaert.The book was released on July 16, 2019, by UK based Jawbone Press, and features contributions from Alice Cooper, K.K.Downing of Judas Priest, Dan Donegan of Disturbed, Brian Welch of Korn, Mark Slaughter, Ron Keel, Jason McMaster of Dangerous Toys, Frank Bello of Anthrax, Chris Adler (Lamb of God, ex-Megadeth), Mark Tremonti of Creed and Alter Bridge, Kiko Loureiro and Dirk Verbeuren of Megadeth, actor Kristian Nairn ("Game of Thrones"), and more, plus a foreword by "My Life With Deth" co-author, and "Bass Player Magazine" editor Joel McIver.