Regeneration by Pat Barker

"Regeneration" is a historical and anti-war novel set in a mental hospital during World War I. The narrative focuses on the experiences and interactions of a psychiatrist and his patients, most of whom are soldiers suffering from severe shell shock. The novel explores themes of masculinity, identity, and the psychological effects of war, while also critiquing the societal pressures and expectations that led many men to enlist and subsequently suffer from mental trauma. The 597th greatest book of all time