The Japanese title is 自己表現のためのコア英語.
It will be published by Asahi Press in 2018.
It is an EFL book that covers all skills (listening, reading, speaking, writing) in support of discussions. It is intended mostly for students at beginning to intermediate level, but it can be adapted to more advanced levels as well.
You can get inspection copies at this preview page for the textbook at Asahi's site.
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Preview page for the textbook
The next link is where you can place an order for an inspection copy. You will have to navigate the order page in Japanese.
Link to order an inspection copy of the book from Asahi
Alternatively, send me an e-mail and I will forward your request to Asahi.
I will need your name, organization / affiliation, and mailing address.
Send your request to this e-mail:
The contents of the textbook (unit themes, discussion topics) are as follows: