For publishers:
1. Login as publisher.(Create account( emailid, password and send link to email address. When user clicks the link from email, confirm login), login page
2. Upload worddoc/pdf etc and publish as digital book(.mobi, .epub, etc.,)
3. Save creditcard info after choosing the plan.
4. Publisher menu
For Readers:
1. Reader can click on any published book and it will be loaded on reader.(Need ios, android and browser based reader-IE, safari, chrome,opera,firefox etc.)
Sir, I went through your requirement and understood it properly, I need more information from your end, regarding the project. If you want to see my expertise kindly go through my profile reviews https://www.freelancer.in/u/pulakesh90.html , or my website www.infyact.com.
Thanks & Regards
Pulakesh