“This was a journey of me saving myself, staying alive, keeping my family together and continuing to make music”: Megadeth frontman Dave Mustaine’s memoir In My Darkest Hour, looking back on his cancer battle, to come out in September

Dave Mustaine onstage with Megadeth in 2026.

Megadeth mainman Dave Mustaine will release his third memoir, In My Darkest Hour, on September 8 via De Capo Press.

The book will detail the thrash metal singer/guitarist’s life after being diagnosed with a squamous cell carcinoma at the back of his tongue in 2019, from the treatment to his recovery and the production of Megadeth’s first album after his health issues, 2022’s The Sick, The Dying… And The Dead!.