Found a site that pays 400 - 600 Satoshi per 10 mins of reading. Check it out: hhttp://www.paidbooks.com/?ref=43384
There are tons of of books for choice. As soon as you start reading a page, a 10 min timer begins. After which you will paid the Satoshi for those mins. Note :You do have to go to next to page every minute or so otherwise you will not be paid.
