There has been data ("No.1販売員は全員フツーの人でした。でも、売上げ1億円以上!なぜ? (光文社ペーパーバックスBusiness)") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Tue Jun 18 10:06:53 2019, so the data displayed here has been removed .