Eh, at least in most of the places I've seen the 9.99 price used, it was for fiction not non-fiction. Many forms of non-fiction have always gone for more, even

Eh, at least in most of the places I've seen the 9.99 price used, it was for fiction not non-fiction. Many forms of non-fiction have always gone for more, even when Amazon set the price prior to the whole agency model. I know tech books I expect to pay a good chunk more even on sale, as well as my other hobbies (writing books have eaten up so much of my money...)