拙著の値段

メルカリで本を売ってもよくて900円。興味本位で拙著、拙訳を、見るとなんと言葉と建築は4500円で売れている。専門書の方が高値がつくみたい。

So far I could sell books at Mercari for at most 900 yen. Looking at my book and my translation with a focus on interest, words and buildings was sold out for 4,500 yen. It seems that technical books are more expensive.