it is an auctioning and exchange website where sellers offer books for sale but the means of payment is other books i.e. if 1 person opens an auction for a book other people bid for the book by offering more than 2 books to the seller. the website is for mainly all departments of computing e.g. ICT, computer science, systems engineering etc. the books are displayed according to their various categories and when a person signs up he fills in his/her name and the choice of subjects and the books relating to his subjects are displayed to the person.