A book explaining how to control a restaurant's sales with just a pen. The cover and back cover have some stains. There are no problems with reading it. It's an A4-size textbook from a 300,000 yen training camp. It's different from books sold in bookstores. Includes two DVDs. Everything is contained within this. - Title: Amazing Secret Techniques to Create a Line in 30 Days with Just a Pen - Publisher: Manseki Agent Co., Ltd. - Theme: Restaurant Business Revolution - Content: How to control sales with just a pen Thank you for viewing.