The Japanese limited edition contains the game, a soundtrack disc, a bonus disc, and The Alan Wake Files hardcover book.
1. Front of box
2. Back of box
3. Front of game
4. Soundtrack and DVD inside case
5. Front of book
Thanks to Yahoo! Auctions Japan members bookoff2016 (image 1) and marketenterprise_2006 (images 3-5), and OGDB (image 2).