The Stranger by Albert Camus

A detached young man in colonial Algeria reacts with indifference to his mother’s death, drifts through a casual romance, and impulsively shoots an Arab on a sunlit beach; the ensuing trial treats his emotional aloofness and refusal to perform conventional grief as the greater crime, forcing him to confront the absurdity of existence, the imposition of social meaning, and the inevitability of death.

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