A, I, U, E, O's Book / Noriko Matsui Addition / Noriko Matsui Character Play / Mitsumasa Anno (All from Fukuinkan Shoten, priced at 900 yen per book) For kindergarteners, ages 4-5, but for children interested in letters and numbers ☆ For early learning and education. The illustrations are also cute. No tears or stains, in excellent condition.