I love reading memoir, here are a couple that you might enjoy related to therapy (more the first one) or mental health symptoms (more the second one).

Emma Forrest's Your Voice in My Head: https://www.amazon.com/Your-Voice-My...ice+in+my+head

Lauren Slater, Welcome to my Country (by a therapist, about her struggle with mental illness): https://www.amazon.com/Welcome-My-Co.../dp/0385487398