But just three years ago, e-book sales had surpassed hardcover book sales for the first time. (techtimes.com)
They talk a lot about the good of the publishing industry, about the need to save brick and mortar bookstores, and the need to preserve the viability of hardcover book sales. (makingitupasigo.com)
Online retail giant Amazon said Monday that sales of electronic books for the Kindle have overtaken hardcover book sales. (phys.org)