"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 novel chronicles the life of Christopher Tietjens, an officer in the British Army during World War I, and his complex relationships with two women: his adulterous wife Sylvia and a young suffragette named Valentine. The story is set against the backdrop of a changing society and the devastation of war, exploring themes of duty, honor, and the struggle between traditional values and modernism.

The novel follows the life of Dunstan Ramsay, a man haunted by a childhood accident that he believes he caused. The book explores his guilt and its impact on his life, as well as his relationships with others, including a woman he loves but cannot have, a brilliant but troubled friend, and a saintly fool. Throughout his life, Ramsay seeks redemption and understanding in the realms of history, mythology, and religion.

"The Ghost Road" is a historical novel set during World War I that follows the experiences of a British army officer undergoing treatment for shell shock at a mental hospital. The narrative alternates between his perspective and that of his psychiatrist, who is fascinated by the psychological effects of war. The novel explores themes of trauma, memory, and the brutal realities of war, while also delving into the psychiatrist's own past experiences with a headhunting tribe in the South Pacific.

"Forest of the Hanged" is a gripping novel set during World War I, focusing on a Romanian officer serving in the Austro-Hungarian army who is forced to confront his own morality and identity. After his brother is executed for treason, the protagonist struggles with his loyalty to the army and his inherent connection to his native land, leading to a profound spiritual crisis. The narrative explores themes of nationalism, duty, conscience, and the devastating psychological impact of war.

This novel is a World War I allegory where a Christ-like figure emerges within a French regiment, sparking a mutiny. The figure, a corporal, persuades his squadron to not attack in the bloody conflict, leading to their court-martial and execution. The narrative explores themes of war, morality, and the human spirit, with the corporal's actions causing a ripple effect, impacting the lives of soldiers, officers, and even a Jesuit priest.

"The Eye in the Door" is a historical novel set during World War I. The story follows a British army officer suffering from shell shock, as well as his psychologist, as they navigate the traumas of war and the tumultuous political climate. The book explores themes of mental illness, homosexuality, and the societal pressures of the time, all against the backdrop of the war and its effects on those involved.