The life and amazing adventures of Robinson Crusoe — a novel by the English writer Daniel Defoe, written as a fictional autobiography, yet based on real events that happened to the Scottish sailor Alexander Selkirk, who spent four years on an uninhabited island. The hero of the novel, Robinson Crusoe, must survive a shipwreck and then live alone on the island for more than 20 years. This is a book about courage and the will to live—about perseverance and friendship, wisdom and optimism.