noun
bookstore; bookshop; book dealer
A somewhat formal or business term for a shop or dealer that sells books. In everyday conversation, 本屋 is more common.
あの書籍商は珍しい古書を扱っている。
That book dealer handles rare old books.
彼は書籍商として長年この街で店を構えている。
He has run a bookstore in this town for many years as a book dealer.