Learning reference books for elementary school students covering science and social studies, from basic to advanced exam preparation. - Title: Jiyujizai Science for Elementary School Grades 3 & 4 - Title: Jiyujizai Social Studies for Elementary School Grades 3 & 4 - Features: A 60-year bestseller with 26 million copies sold - Features: Suitable for everything from basic understanding to entrance exams for top schools * Science: Some pages have writing on them. * Social Studies: It is believed that there is no writing, but please forgive any oversight.