The Stranger is an existentialist novel by Albert Camus about Meursault, an apathetic man who impulsively kills another man without reason or remorse. After helping his friend Raymond exact revenge on his girlfriend, the girlfriend's friend accosts Meursault on the beach and Meursault shoots him. Meursault shows no remorse at the trial, is sentenced to public decapitation and, in the end, rejecting a chaplain's attempts to redeem him through Christianity in a cathartic outburst, declaring the absurdity of existence, the illegitimacy of judgment and the indifference of the universe.
Stranger in a Strange Land is the story of Michael Valentine Smith, a human raised on Mars among the Martians. Returning to Earth, Smith finds himself enmeshed in corporate and consumerist struggles. Smith's struggle to comprehend human society acts as a stern condemnation of modern materialism and consumer culture. The story follows Smith's journey and his impact on Earth culture as an outsider unaffected by the trends that have shaped world government and industry.