Before Adam is a novel written by Jack London in 1906. It is entirely different from London's other books. It rotates around the fantasies of a young man, dreams that include racial recollections and the information on his earlier presence as a manlike animal named Big Tooth living in ancient times. It has given a vivid picture view of prehistoric man's life, transformation of man's selfdom to cave dwellers. To show the advancement of life, fire people and animal like tree people are also describe in the novel. Uniqueness of the novel is sharing fears, struggles and adventures of prehistoric man's life. The author admirably mixes science and literature and inspires to learn something new.