My husband sometimes chuckles at my book-buying style. I want to go to an actual bookstore and wander through the shelves, picking up this one and that one, adding this one to my pile of purchases and returning that one to the shelf. I want to talk to the clerks and see what they're reading. I often strike up conversations with other browsers about whether such-and-such an author's latest book is a good one or lesser. I don't often buy books second-hand, and I don't sell them once I've...