The Hobbit, or There and Back Again is a children's fantasy novel by the English author J. R. R. Tolkien. It was published in 1937 to wide critical acclaim, being nominated for the Carnegie Medal and awarded a prize from the New York Herald Tribune for best juvenile fiction. The book is recognized as a classic in children's literature and is one of the best-selling books of all time, with over 100 million copies sold. The Hobbit is set in Middle-earth and follows home-loving Bilbo Baggins, the titular hobbit who joins the wizard Gandalf and the thirteen dwarves of Thorin's Company on a quest to reclaim the dwarves' home and treasure from the dragon Smaug. Bilbo's journey takes him from his peaceful rural surroundings into more sinister territory.

Source: Wikipedia