US Customs has selected your shipment for a random physical exam. This is going to cause a further delay and extra costs.
Oh, for fuck's sake. It's books. They know this. The paperwork says so, and they've X-rayed it already to check. Is this because it got dumped in Mexico (thanks, guys: so much benefit, so very much), or just random let's-fuck-with-Chaz?
*barely checks for cats before he starts kicking things*