Today, Ubuntu Magazine Japan Vol.05 PDF are released under CC BY-NC license. You can download (and fair-use) from http://ubuntu.asciimw.jp/elem/000/000/010/10392/ .
Ubuntu Magazine Japan("Ubumaga") is dedicated magazine of Ubuntu, if you visit Japan, you can find easily in bookstore. And, the point is, "Ubumaga"'s back-number are publish in PDF form under CC BY-NC.
- You can purchase real-book/latest at bookstore/Japan.
- You can download(+ fair-use) PDF/backnumber.