The People of the Abyss is a book written by Jack London that details his experiences living in the East End of London in 1902. The book is notable for its descriptions of the harsh conditions that the poor people of London lived in during the early 20th century. Jack London was one of the greatest American writers of the early 20th century. London's most famous novels were Call of the Wild and White Fang, both of which were set during the Klondike Gold Rush. Despite only living 40 years, London was a very prolific writer and his books are still widely read throughout the world.