"Biographies You Can Read in 10 Minutes, 1st Grade" Kyoko Shiotani Price: ¥900 #KyokoShiotani #Kyoko_Shiotani #Books #History/Biography "Why? How? Science Stories for 1st Graders" Price: ¥990 My child has a habit of removing the book covers, so there are some creases on the covers that I'm concerned about, but the inside is clean with no writing.