Refers to a state where the spine of a book is lightly "twisted" in such a way that the front and rear boards of a book do not align when the book is lying flat. Severity may differ.
Subscribe to our newsletter for more great articles like this on books and book collecting. We'll send you a coupon for instant savings on your next purchase. Plus, you'll automatically receive future special discounts and offers in your mailbox!
Join our community of Bibliophiles on Facebook and Google+ and watch for updates and great savings in your news feeds.