I got my book in the mail today. It is great having this guide with me as I play through Skryim. If you have Skyrim and you think you might possibly want this guide, then you need to definitely buy it from amazon while they have some in stock. It is well worth the purchase.
Yes it does say Second Edition on the cover, but if you are going to use the book, it will not matter at all.
Also, when you unlock the map on primagames.com/SkyrimMaps you login and click on your name. Scroll down to bottom of the page and then you can type in the code. (I had a little trouble finding it according to the directions.)