A book discussing modern warfare and business by Akira Ikegami and Masaru Sato. - Title: Shin Senso-ron (New War Theory) - Authors: Akira Ikegami, Masaru Sato - Publisher: Bungeishunju - ISBN: 978-4-16-166100-6 - ISBN: 978-4-16-166100-6 - Title: Hito ni Tsuyoku Naru Goku-i (The Secret to Becoming Strong Against People) - Author: Masaru Sato There are some lines like in the photo throughout the book. Please consider this if you are not concerned. Thank you for looking.