It's time to get in formation. Booknerds, this is not a drill. The Bargain Books Warehouse Sale is upon us. I had the chance to sneak a peek behind the curtains last week to see what's in store for us in the YA section — and it's epic! I'm talking stacks upon stacks of books. Veritable book mountains. It's glorious. And to help you in your selection process, I've made a list.