The book investigates the core question of whether the realization of life's inherent meaninglessness necessitates suicide or if one can find value in existence despite the lack of objective purpose. Albert Camus, a prominent French-Algerian philosopher and writer, utilizes the Greek myth of Sisyphus as a central metaphor for the human condition. He argues that acknowledging the 'absurd'—the conflict between the human desire for order and the silent, chaotic universe—is the first step toward true freedom and rebellion. By embracing this struggle, the individual can achieve a state of conscious defiance that renders life worth living.

Experts classify this work as a foundational text of 20th-century existentialist thought, often noting the clarity and poetic intensity of Camus's prose. Readers frequently highlight the book's accessibility compared to other philosophical treatises, though they acknowledge the dense, repetitive nature of its central argument.