More authors are choosing to self-publish and sucesses like this will certainly encourage them:
Turning to the Author Solutions self-publishing brand, iUniverse, Genova published her book for $450, a cost that included an ISBN — the International Standard Book Number that uniquely identifies books — and the ability to sell on Amazon.com.
Months later, after receiving positive reviews on Amazon.com and a favorable review in the Boston Globe, Genova’s book was picked up by Simon & Schuster and is in its 12th week on The New York Times Bestsellers List.
[Thanks to Francis Hamit for the link.]