A must-read book for learning conversation skills. - Title: 90% of People's Success is How They Speak, 90% is How They Listen - Author: Shigehisa Nagamatsu - Content: A book about conversation techniques - Price: Regular price: 1,500 yen - Sales: Best-selling book in the first half of 2020 - Copies sold: Over 350,000 Thank you for viewing. This is the price for a set of two books. It's a beautiful item, only read once.