Thank you for viewing. This is a set of three picture books by Noriko Matsui and Mitsumasa Anno. These are three books from the "Knowledge Series" of the Fukuinkan Shoten's monthly library. They are picture books that allow you to learn the concepts of letters and numbers while having fun. 1: Title: Moji Asobi (Playing with Letters) Author: Mitsumasa Anno 2: Title: A I U E O no Hon (The A I U E O Book) 3: Title: Tashizan (Addition) - Author: Noriko Matsui All published by Fukuinkan Shoten. Price: 990 yen each I believe they are in good condition without stains, folds, or scratches, but please understand that they have been stored at home. Please feel free to comment if you have any questions.