I already posted this elsewhere in the thread, but since it directly applies here too, you should check out Leanpub[1]. [1] - http://leanpub.com/ http://leanpu

I already posted this elsewhere in the thread, but since it directly applies here too, you should check out Leanpub[1]. [1] - http://leanpub.com/ http://leanpub.com/