Hangover Square: A Story of Darkest Earl's Court by Patrick Hamilton

Set in 1939, on the eve of World War II, the novel follows George Harvey Bone, a lonely, alcoholic man living in London's Earl's Court, who is infatuated with a manipulative small-time actress, Netta. George suffers from a form of split personality disorder, which leads him into periods of 'dead moods' where he contemplates murdering Netta. The book paints a grim picture of pre-war London, filled with despair, failed ambitions, and the looming threat of a global conflict.