"Information Processing Textbook: Only the Important Parts! Information Security Management [Subject A] [Subject B] 2025 Edition" Yuji Hashimoto Price: ¥1780 "Information Processing Textbook: Only the Important Parts! Information Security Management [Subject A] [Subject B] Predicted + Past Question Collection 2025 Edition" Yuji Hashimoto Price: ¥1580 The condition is relatively good. There are no writings or markings. I will lower the price at my own timing, so please refrain from negotiating a price reduction."