1-Ketabchin 2-Ketabchin is a digital book store 3-That you can get the digital copy of the book which you're looking for at One-third the price of the printed book 4-Pick up your phone and log into Ketabchin site, download the software and create an account for yourself. 5- Now you have a library full of books with you. 6- You can go inside and see different books. 7-Knowledge is with you. 8-Stay in touch with Ketabchin