Elementary School Essentials Four-Character Idioms: Memorize Easily (Mini Edition) Shogaku Kyoiku Kenkyukai (Elementary School Education Research Association) Price: ¥700 Common Phrases and Proverbs: Memorize Easily (Mini Edition) Shogaku Kyoiku Kenkyukai (Elementary School Education Research Association) Price: ¥720 The four-character idiom book has two folded marks, but there is no dirt or discoloration such as hand stains. It comes with a red filter to erase the red letters used for memorization. #Four-CharacterIdioms #CommonPhrases #Proverbs