Educational manga that teaches Japanese history through the characters of Doraemon - Series Name: Doraemon's Learning Series - Title: Understanding Japanese History 1 - Title: Understanding Japanese History 2 Price: 760 yen + tax each Supervised by NICHINOKEN (a Japanese educational institution). This book clearly summarizes the basic flow of history, making it easy to understand not only for junior high school entrance exams but also for junior and senior high school students. - Publisher: Shogakukan - Condition: No writing or stains inside, but there is a stain as shown in the third image.