A set of 3 books for learning business etiquette and work skills. - Title: Basic Business Etiquette for Adults - Author: Takashi Namura - Title: Work Skills for Young People - Author: Ryuho Okawa - Title: 5 Powers, 20 Perspectives - Author: Takashi Namura Thank you for viewing. I purchased these used and stored them at home. Please consider this item with the understanding that it is a used product!