An android application that aims at providing a platform where book enthusiasts can find it easy to exchange, buy or sell pre-owned books. This project will also let the people discuss things and exchange thoughts about popular books. Through this project, users can find the book that they want at lower price and minimal time. The user can also auction their book by using this application. To develop this application, Android studio IDE with Java and XML will be required. The user would need to register and login in order to buy or sell books, along with that the user is expected to mention their area of interest so as to get suggestions of the books. A buyer can rate and review a seller based on his experience. This project also helps buyers to compare prices from different sellers. It is a great way to generate economy from one's books.