3.96 avg rating — 1,754,547 ratings

"It is unclear in the book, but it was implied that Alaska suffered from depression. "

3.86 avg rating — 1,682 ratings

"Isabel suffers from Bipolar Disorder, it is apprent in the apparent manic episodes and depressive episodes that she describes in her letters."

3.80 avg rating — 55,302 ratings

"Jeff goes to a Psychiatric Ward, where there are people with mental disorders."

3.73 avg rating — 6,865 ratings

"Anna goes to a Mental Hospial and encounters peopel with mental illness, and she herself suffers from depression and Panic attacks."