At the Media App Summit today, this GalleyCat editor shared some basic statistics about the self-publishing marketplace, exploring five case studies from successful writers who have topped our Self-Published Bestsellers List.

We’ve embedded the slideshow above–follow the links inside the slideshow to explore work by the individual writers.

For your reference, here are links to the major digital self-publishing alternatives that let you sign up for free: Kindle Direct Publishing, Barnes & Noble PubIt, Smashwords, iBookstore and Kobo Writing Life.

As always, if you are an author, check out our Free Sites to Promote Your eBook post and our How To Sell Your Self-Published Book in Bookstores post and our How to Pitch Your Book to Online Outlets post.