This 13-book set of Japanese encyclopedias, published by Shogakukan in 1962, is a must-have for anyone interested in Japanese knowledge and culture. The books are hardcover and in vintage condition. Each book is devoted to a specific topic, ranging from art and culture to books on collecting. The encyclopedias are in the Japanese language and original language, making them a valuable addition to any collection. The set has been well-preserved and is free from any major defects. The books are not personalized or inscribed, and there are no ex libris labels or signatures. The encyclopedias are perfect for collectors or anyone wishing to expand their knowledge of Japanese culture.