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Totto-chan, the Little Girl at the Window is a book written by Japanese children's book writer, talk show host and UNICEF (The United Nations Children's Fund ) Goodwill Ambassador Tetsuko Kuroyanagi. The book, published in 1981, recalls the writer's experiences and her teacher, Sosaku Kobayashi, at Tomoe Gakuen Elementary School during World War II. In the book, Kuroyanagi shows that children's education should be integrated with fun, freedom and love. The book is credited as one of the world's most influential works of the 20th century.