◻︎ Purchased new from a bookstore around December 2025 ◻︎ Only read once with a cover on ◻︎ 1760 yen (1600 + 10% tax) ◻︎ Shipping is planned via Rakuraku Mercari Bin ⇆ Yuuyu Mercari Bin This book introduces 100 techniques proven at research institutions such as Harvard, Stanford, and Oxford... Shugo Hotta