"What Does This Button Do? : An Autobiography" by Bruce Dickinson is a 384-page trade paperback published by HarperCollins in 2018. This book, written in English, falls under the genres of biography & autobiography as well as music, specifically focusing on heavy metal and personal memoirs. Bruce Dickinson, a renowned composer and musician, shares his life story through this detailed and engaging autobiography, giving readers a unique insight into his experiences and perspectives within the music industry.