This is a set of three picture books for babies. There are some stains on some pages, but there are no tears or major stains. They haven't been read much, so they are relatively clean. This is the long-selling "Picture Books for Babies" series from Toda Design Research Institute. It's a set of three books: Series 1, 2, and 3. The easy-to-understand layout has text on the right-hand page and illustrations on the left. The illustrations are thoroughly simplified. The vivid yet gentle colors enhance the illustrations. Even adults will be captivated by their beauty, and will be enveloped in the gentleness and indescribable sense of happiness that emanates from the books. It is a popular series that responds to the wish for babies to be surrounded by warm affection, to experience various beautiful and wonderful things in the world, and to nurture a rich sensibility.