A must-read book to learn the tips for speaking and improve communication skills. "90% of Leaders are How They Speak" and "90% of People are How They Speak" - 2 Book Set Shigehisa Nagamatsu 2 books total: ¥3190 (tax included) Purchased at a bookstore and read once. I think it's in good condition because I used a bookstore book cover. Please refrain from purchasing if you are sensitive to used items. Will be shipped with the bookstore book cover on. Please discard it if you don't need it. Thank you.