Looks like they read their own guest posts... The Economics of Writing a Book, by Carter Phipps http://priceonomics.com/can-authors-make-money-selling-books/ h

Looks like they read their own guest posts... The Economics of Writing a Book, by Carter Phipps http://priceonomics.com/can-authors-make-money-selling-books/ http://priceonomics.com/can-authors-make-money-selling-books...