Do you, child, have many questions? 4-volume set: Do you, child, have many questions? 7-14 year old elementary school students' science comic knowledge encyclopedia, children's growth and cognitive physics, chemistry, mathematics, biology, universe, technology, human cold knowledge, 100,000 whys book Chinese edition 9787517093565 Thank you for viewing. This is a used item, so please refrain from purchasing if you are concerned. Please be aware that there are scratches. We are unable to offer discounts due to the inclusion of shipping and handling fees. Shipping will be via Mercari's Kuroneko Yamato Nekopos service.