Amazon's Prime Big Deal Days sale is coming to an end tonight, but there are still a few new deals to be had today. The online retailer has added various Legend of Zelda books to its '3 for 2' sale, including the official Ocarina of Time manga.Akira Himeka's Legend of Zelda manga series is a great read any fan of the franchise will enjoy, and this sale makes it a great time to grab a physical copy of the Legendary…