IN MY DARKEST HOUR: A Memoir by Dave Mustaine is coming on September 8, 2026.
IN MY DARKEST HOUR is Dave Mustaine’s most unblinking memoir to date, one that isn’t only for Megadeth fans.
“One of most harrowing experiences of my adult life has been my seven-year journey through cancer treatment and onward into remission,” Dave Mustaine says about the experiences detailed in the book. “This story is considerably more than just go to the doctor, get diagnosed, get treatment and hopefully I live happily ever after. This was a journey of me saving myself, staying alive, keeping my family together, and continuing to make music through it all."
Dave Mustaine is no stranger to pain and suffering. He battled demons all his life—including an alcoholic father, addiction, and black magic—and turned fifty-eight believing he’d survived the worst. But in 2019, Mustaine was forced to face the loss of his instantly recognizable voice and the disintegration of his musical talent. Diagnosed with squamous cell carcinoma at the back of his tongue, his entire career—and possibly his life—was about to end.
For Mustaine, it was one more opportunity to fight like hell.
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