Complete set of 10 volumes of Gakushu Kodomo Hyakka (Children's Encyclopedia for Learning). First edition published in 1968, content useful for education. These are very old books. There are stains, mold, and dirt. This is a retro item. Please check the third image before purchasing. We are very sorry, but we do not accept returns or refunds. Thank you for your understanding. - Series Name: Gakushu Kodomo Hyakka - Number of Volumes: Complete 10 volumes - First Edition Publication Date: February 15, 1968 - Original Price: 1,200 yen