"I'm three-quarters of the way through it; we're actually editing at the moment," Idol tells Billboard while promoting his current North American tour. "It's sort of my recollections, which is almost a massive joke 'cause I don't remember anything!

"The bits I do remember...I've tried to give an overview of my career or my love of music or whatever, my personal way through life, maybe some thoughts about what I've done right or wrong in my life. In general it's a bit of a walk through my career, just said in my own words, really."