"Amazon...today announced the Kindle Store on Amazon.co.jp, offering customers the largest selection of digital best sellers in Japan..a total of over 50,000 Japanese-language Kindle books including over 10,000 free Japanese titles and a broad selection of works from a wide range of leading Japanese authors and publishers...The Japanese Kindle Store will launch on October 25."
Source: Amazon.co.jp Introduces Japanese Kindle Store and Kindle Paperwhite, the First Japanese-Language Kindle
Oct. 24, 2012
Market Watch,WSJ