Girl interrupted. Perfect after bell jar. She isn't as good a writer but it is the same hospital a decade later. I wrote a long post contrasting them elsewhere. Sophie's choice is tough. Not for everyone. I think people with PTSD might relate too. The same author wrote an acclaimed memoir about his own depression not too long ago. Kurt Vonnegut's son also wrote one (can't remember names but easy to google)
Whether you are into photography or not I'd look into Diane Arbus. The bio by bosworth is the one I read. Not strictly about her depression but it did influence her life and work in important ways. The movie fur is loosely based on her life. She grew up with photographer Richard Avedon who learned to manage depression but as near as I can tell nobody has written about it. I only saw an interview where he talked about it and it had a big impact.
EDIT: if you do find a good one on Avedon please let me know
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