Please also check the profile description. ◆Product Details◆ This is Hiroyuki Nishimura's "Hiroyuki-style cunning problem-solving techniques"! It's a book where you can learn loopholes in life from the author's experiences! ◆Book ◆Price includes shipping. ◆There are no noticeable scratches or stains. If you prefer a different shipping method, please contact us in advance via comments. Since it is stored at home, please ask any questions you may have beforehand. Thank you! Product number: i25122404