
A novel by Wally Lamb that tells the story of twin brothers Dominick and Thomas Birdsey. The narrative follows Dominick's struggle to care for Thomas, who suffers from paranoid schizophrenia, while uncovering their family's dark history. The book explores themes of identity, mental illness, and the bond between identical twins. It was famously selected for Oprah's Book Club and later adapted into a television miniseries.
If someone wants a fiction treatment of this I know this much is true is a novel by the novelist Wally Lamb...
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"Dr. Harden recommends this novel as a 'fiction treatment' for understanding the psychological experience of identical twins where one is affected by a severe mental disorder and the other is not."