I have kept this book on the bookshelf for about half a year, so it's almost unused, and it's in good condition with no writing or stains. This book is designed to cultivate practical problem-solving skills from the basics of mathematics. - Title: Mathematics for Humanities: Practical Skill Improvement Edition - Author: Toyotaka Horio - Publisher: Kawai Publishing - Price: 1100 yen + tax - Content: Content to cultivate practical problem-solving skills from the basics of mathematics - Number of pages: Includes detailed explanations and problems Thank you for looking. No returns. Anonymous shipping.