The Minds of Billy Milligan is a 1981 non-fiction novel by Hugo Award-winning author Daniel Keyes. It tells the story of Billy Milligan, the first person in U.S. history acquitted of a major crime by pleading dissociative identity disorder.

A sequel, The Milligan Wars, was published in Japan in 1994.

Awards

Won 1986: Kurd Lasswitz Award for Best Book by a Foreign Author 1993: Seiun Award for Non-Fiction of the Year

Nominated 1982: Edgar Award for Best Fact Crime

Adaptation

The book inspired the 2023 Apple TV+ miniseries The Crowded Room, starring Tom Holland and Amanda Seyfried.

References