I purchased this book when I was job hunting for the class of 2026 and used it several times. Thanks to the basic knowledge in this book, I received a job offer in the advertising industry. There are no markings inside, but the cover has some stains. This is an all-color illustrated guide, an essential book for understanding the media industry's business. - Title: Textbook for Thoroughly Understanding the Structure and Business of the Media Industry - Price: 1800 yen - Required Knowledge: Basic knowledge of broadcasting, newspapers, publishing, public relations, and media Thank you for looking.