Challenge Science Group, 4th Grade "I Want to Know More" A Book to Expand Dreams and Intellectual Curiosity Science Group, Shinken Zemi Optional Course 4th Grade, 8 Books Reference Price (1,090 yen per book) With pages full of photos and illustrations, this is a fun booklet that satisfies curiosity in a wide range of fields such as nature, science, and society. It expands children's interests and also broadens parent-child conversations. Some books show signs of use, while others are almost unread and in good condition. There are no writings, but please consider this used item, which has been stored at home. Thank you for looking.