As children, we’re encouraged to visit the library, to sign up for a card and borrow books. When there’s no library around, or a lack of the latest and greatest, we swap books with friends and classmates or sign up for online services such as Paperback Swap, Bookins, and Book Mooch.
Borrowing books is an important part of the zeitgeist. And while borrowing a book from a library or swapping one online...