Ken Kimura was born in Tottori Prefecture, Japan. In addition to writing children's books, he makes handmade children's toys. Mr. Kimura lives in Japan.
Yasunari Murakami was born in Gifu Prefecture, Japan. His illustrations have been honored at the Bolgona Book Fair, the Biennial of Illustrations Bratislava, and with the Japan Picture Book Award, and there is a Yasunari Murakami Museum in the Izu Highland, Japan.