Learn with Pokémon! Series - Set of 3 Books Proverb Encyclopedia Idiom Compendium Understanding Classical Chinese Idioms Published by The Yomiuri Shimbun Not only for Pokémon-loving children, but also for adults, it's fun to look at and learn from. These books have been stored for a long time, so there is some deterioration, but I think there are almost no problems with their use. Please consider this, understanding the possibility of unnoticed stains, etc.