A complete set of 7 books from the Psychology Series by Taizo Kato. Psychology of "Consideration" Psychology of "Kindness" and "Coldness" Psychology of Self-Discovery Psychology to Transform Kindness into "Strength" How to Rest Your Mind Kind People Psychology of "People Who Can't Fully Mature" This is a set of 7 books. Some volumes may have some yellowing, but there are no noticeable stains or scratches, and they appear to be in a condition that allows for comfortable reading. No individual sales or discounts. Anonymous free shipping.