In order for a new series of my column, I buy a lot of used books from Amazon at my own charge.

But I also buy some new books, because I want to know the latest numbers or data.

The same book that I had lent from a public library and had waring of returning (I didn't know to need to return faster than other books), is coming,

"2015 Cabinet Office issued "White Paper of suicide countermeasures"

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This was the last one book in Amazon site.

To begin with, I think that a person is really unusual to buy this kind of white paper individually.

(To be continued)