This is a business book introducing 38 techniques to improve practical conversational skills. - Title: Superb Conversational Skills - Author: Tadashi Yasuda - ISBN: 9784905071354 - Contents: Introduces 38 practical techniques and training methods for everyday life. - Ranking: #1, Over 600,000 copies sold I read this book once after purchasing it and have kept it on my bookshelf since. Please check the photos for the condition of the item. Thank you for looking.