The Over-Evolved Brain ~The Cutting Edge of "Cerebral Physiology" Discussed with Junior and Senior High School Students~ Author: Yuji Ikegaya Price: ¥1,100 (tax included) (Kodansha Blue Backs) No writing, page folds, yellowing, stains, corner bumps, or scratches on the cover. There is a slight scuff mark on the edge of the "obi" (paper band). Please understand that this is a used item.