I think if you're trying to establish yourself then $ 99 can really bring in new readers, but once you've got some fans then you can put the price up for further books. (nicholasrossis.me)
The nice thing about writing books is that very few authors — especially in fiction — are doing the amazing things like boosting your Amazon page in Google search results with backlinks, or creating genre specific hubs that rank well, or creating content for YouTube and Slideshare or other sites to constantly bring in new readers. (creativindie.com)
ICv2 CEO Milton Griepp kicked off the ICv2 Conference ahead of New York Comic Con with new comic sales numbers showing a robust comics and graphic novel market that is rebounding from the closure of the Borders chain and bringing in new readers via digital comics and other initiatives. (cbr.com)