It's not often you hear of a case causing technical problems with an electronic device, but that's just what a number users have been saying about Amazon's own Kindle Leather Cover. Apparently, the problem stems from the metal hooks used in the case -- they're designed to conduct electricity in the lighted version of the case, but in the non-lighted version they're reportedly causing Kindles to freeze or reboot. While the company hasn't officially confirmed the problem, Amazon has told PC Magazine that its engineering team is looking into the issue, and that it will offer a refund or replacement to anyone experiencing a problem with the case, no matter when it was purchased. Those looking to take Amazon up on that offer can email kindle-response@amazon.com.