Taiwan Version「Yarukino Switch！」and「Hitorikaigino kyokasho」you can buy this in Taiwan and HK♪
【Net Book store 博客來】
And this is other stores.
↓↓↓
誠品書店（A lot in Taiwan and HK）
三聯書店(A lot in HK)
You can buy this anywhere.
And this is other stores.
↓↓↓
誠品書店（A lot in Taiwan and HK）
三聯書店(A lot in HK)
You can buy this anywhere.
Books of Takumi Yamazaki, English ver.
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.