Normally terrific, WaPo book critic Ron Charles goes lightly on Amazon, whose CEO owns the paper. So it’s time to consider some issues he missed. “E-books and audiobooks have greatly improved the reading experience over the past decade for those who can afford to pay Amazon for Kindle and Audible digital books. We have yet to figure out what the cost of Amazon’s dominance of e-books and audiobooks will be to the broader digital book ecosystem.” – Inside Higher Ed