This is a set of 5 non-sale health life encyclopedias published by the Kagaku Gijutsu Kenko Hoken Kumiai (Science and Technology Health Insurance Association). The content is useful for a wide range of topics, from daily health management to building a healthy lifestyle for the family. All pages are in color and the paper quality is good. There are many illustrations and photos, and the text is large and easy to read, making it easy to use both as reading material and for looking up information like a dictionary. You can enjoy just flipping through the pages. [Set Contents] ① Healthy Living 24 Hours to Protect Yourself from Lifestyle Diseases ② Healthy Eating Habits ③ Family Mental Health Encyclopedia ④ Healthy Exercise Methods ⑤ Medical Examination Manual This series is a barometer for building health, and it's reassuring to have one in every household. [Size] ・B5 size ・Sack size: Approximately 26 x 19 x 3cm [Condition] ・Almost unused ・Stored in a dark place ・No folds / tears / stains / writing