A set of two books by Taizo Kato: "How to Live with a Light Heart" and "Human Strength." - Author: Taizo Kato - Title 1: How to Live with a Light Heart - Title 2: Human Strength - ISBN 1: 978-4-8379-0056-9 - ISBN 2: 978-4-8379-0373-4 - Price 1: 420 yen - Price 2: 450 yen Thank you for looking. Please check the condition in the images. There is yellowing due to aging. Please understand that these are used items.