The book was put on the bookshelf without being read even once because my child wasn't interested. The top of the cover is slightly yellowed. There is a fold on the back cover (photo 5). A chronological encyclopedia that explains the flow of history in an easy-to-understand manga format. - Title: Historical Chronological Encyclopedia - Publisher: Kumon Publishing - Language: Japanese - Contents: Chronology and commentary on history - ISBN: 978-4-7741-1038-1 - Number of pages: 1392 pages Thank you for viewing. #Kumon #HistoricalManga #HistoricalEncyclopedia #ChristmasPresent #NewYear #WinterVacation #ReferenceBook