A set of three books that delve deeply into the theory and practice of marketing. - Title: Marketing Practice: An Introduction to Practical Marketing for Businessmen - Author: Masayoshi Okamoto - Price: 1800 yen There are age-related stains and soiling on the top and cover, but the inside is very clean. - Title: The Myth of Marketing - Author: Junzo Ishii - Price: 2233 yen + tax There are age-related stains on the top, but the inside is very clean. - Title: Incorporating Marketing as a Philosophy into Management: Marketing: Management's Guiding Philosophy - Author: Nakahito Hirakubo - Price: 1600 yen + tax There are age-related stains on the top, but the contents are clean. Please consider this item, as it is a used item, has been stored at home for a long time, and has been inspected by an amateur.