Kate Richards’ bleakly beautiful, confronting and important book, Madness: A Memoir, describes her 15 years coping with psychosis and depression, and her long, hard-won journey back to sanity, with the help of a wise and compassionate psychologist.

In this video, she speaks with Ranjana Srivastava, an oncologist and fellow author, about her experience – and about being able to write from deep within it, with expertise as both a medical researcher and writer.