The standard reference book for Denken Level 2 exam preparation: "The Most Comprehensive Guide to Understanding Denken Level 2 Mathematics (Revised 3rd Edition)". This book carefully explains the mathematics required for the Denken Level 2 exam from the basics, using diagrams and illustrations. It is recommended for: - Those who want to step up from Denken Level 3 to Level 2 - Those who are not good at mathematics [Condition] - Used book purchased in September 2025 - There are scuffs on the front and back covers due to normal use. - There are no writings or tears inside, but there are corner folds on a few pages, so it is listed as "Slightly damaged or with stains". [Price] 3,800 yen + tax [Shipping] - Waterproofing measures will be taken, and the item will be carefully packed and shipped. - Anonymous shipping is planned. Please purchase only if you understand that this is a used item. If you have any questions, please feel free to comment.