Home Tech Today’s Best Deals: Top-Selling Kindle Books, APC Battery Backups, Das Keyboard, and...TechToday’s Best Deals: Top-Selling Kindle Books, APC Battery Backups, Das Keyboard, and MoreDecember 26, 2016366FacebookTwitterPinterestWhatsApp New York Times bestsellers, APC battery backups, and a Das mechanical keyboard lead off Monday’s best deals.Read more…