This book explains the mechanisms of the brain and neurotransmitters in manga format. I purchased it used and read it once, then stored it on my bookshelf at home. As shown in the photos, there are some folds and underlines, but I think they are not significant enough to affect your learning. - Title: Understanding Neurotransmitter Function with Manga - Author: Tetsunori Noguchi - Publisher: SB Creative - Price: 952 yen (excluding tax) - Contents: Explanation of the brain's mechanisms and the mind - Features: Explains the function of neurotransmitters in manga format Thank you for looking.