"4Focus: Four Types of Focus for a Sharper Brain" Mizuto Aoto Price: ¥1500 The cover and pages have some folds, stains, and scratches. The cover is slightly warped because it was read with the cover turned inside out. The condition of the contents is generally good, and there should be no problem reading it. *Please note that we do not accept price negotiations. *As this is a used item, there may be minor scratches and stains. Please purchase only if you understand the condition. #MizutoAoto #Mizuto_Aoto #book #society/general #neuroscience #study #work #goals