The hobbit is a book about a hobbit that goes on an adventure. It starts when Gandolf arrives at the Shire, and convinces Bilbo to come with him so they can reclaim the kingdom of Erebor. Along the way they run into many obstacles and have to overcome them. Bilbo ends up finding a ring that belongs to Gollum. When they finally reached the Kingdom they are greeted with the dragon Smaug. They are forced to defeat the dragon.