Children's book With case) Encyclopedia, Poplar 3 rd edition, 18 volumes in total.

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Children's Books
General Encyclopedia Popadia : A new era of popadia is born that is easy for all children to use. The total number of pages and the number of included in the collection increased to more than 30000. In addition to adding the latest information, the description of existing items was also updated to make it easier to understand. Furigana was added to all Kanji to accommodate readers of various learning levels. In addition, the weight of each volume was reduced to about 1000g, which is 2 / 3 of that before the revision. In addition, universal design (UD) fonts were adopted to pursue ease of use in all aspects. ● Point 1 : Add new 6000 items full of the latest information! In addition to the words related to the new Courses of Study, add the latest words in all fields such as politics and the economy, international affairs, information and communications technology, environmental issues, and culture. In addition, there are more words related to entertainment and children's daily lives. ● Point 2 : Easy-to-understand explanations for all 24500 existing items! Review all existing items. Add to today's interpretation. In addition, there are more words related to children's "interests" and provide more easy-to-understand explanations. ● Point 4 : Easy-to-read text for all readers! In addition, quizzes and various links are added to make it easier to learn from one item and to explore other related items and materials. ● Point 4 : Easy-to-read text for all readers! In the explanatory text, "UD Digital Textbook Form" was adopted for the first time in the encyclopedia, making it easier to read and understand. ● Point 5 : A complete collection of study materials for all readers! In the 18 th volume "Learning Materials", various materials useful for learning are included. Before the revision, the materials included at the end of each volume are included in one separate volume, making it easier to read. ● Point 6 : An index that is more useful and easier to read. The "Index" volume is all color and more convenient to use as an index. 0 Supervision (in order of Japanese syllabary) : Hitoshi AKIYAMA (Director of the Center for Mathematics and Education at Tokyo University of Science), Tadaaki Imaizumi (Director of the Institute of Animal Science), Kosuke Nishimoto (Professor emeritus at Tokyo Gakugei University), Keisuke Nishimoto (Professor emeritus and critic at Showa Women's University), 0 Usage guidance : Kazuhiro KAMATA (Professor at the Faculty of Education of Teikyo Kyogaku) 4800 on the map