Hi ,
You will be happy to know that i already have such a platform developed which you can use to sell you books. using my platform you will get following products :
1. admin panel : backend using which you can create categories , sub categories, track payments , orders , delivery status etc.
2. Android app : for the consumer to check books and order them
3. iPhone app : with same features of android app
4. Website
Please let me know if you need more details on my app , i have mentioned the price but it will depend you on exact need and customization you want i also have different pricing mechanism like rent etc.
will be waiting to hear more from you.
Regards,