Madness: A Bipolar Life is a memoir by Marya Hornbacher, published in 2008, detailing her personal experience with Type I rapid-cycle bipolar disorder, which was diagnosed at age 24. The book chronicles her life with the severe mental illness, including its manifestations like self-harm, substance abuse, and eating disorders, and her journey through diagnosis, treatment, and the challenges of living with bipolar disorder in her adult life and marriage.