Eriko NIshihara is Awsome!
The most important story of "money" in this world
 | この世でいちばん大事な「カネ」の話 (角川文庫)
596円
Amazon
|
Takumi Yamazaki Book, English ver.
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http://www.amazon.com/Shift-ebook/dp/B007VSDZPG/ref=sr_1_2?ie=UTF8&qid=1370728415&sr=8-2&keywords=shift+takumi+yamazaki
Able to download if you click this site.