Used only for university classes. I believe there are no markings, but since it's used, I'm selling it for a little less than the list price! A must-have book for learning the basics of the airline business. - Title: Introduction to Airline Business, 2nd Edition - Author: Keiko Inamoto, Editor - Publisher: Shoeisha - Price: 2000 yen (excluding tax) - ISBN: 978-4-7710-3471-6 Thank you for looking.