● Condition of the Item ・ Shows overall signs of use. ・ The cover has scratches, folds, tape marks, and other signs of wear and tear (see photos). ・ No writing or highlighting was found. ・ There are no problems with reading the book. ● Description A popular essay by independent researcher Masao Morita. With a unique perspective that expands the view of mathematics to the "body," this book opens up a new world for the reader. This is not a new item, so it will be sold to those who understand the condition. ● Packaging and Shipping We will take waterproof measures and ship with care.