This lot of educational science books are perfect for children in Grade 4 or approximate ages 9-12 who are interested in learning about various scientific topics such as the human body, fossils, air, classifying plants and animals, and more. The paperback books, published by Scott Foresman, cover a range of educational subjects in an engaging and informative manner. Written in English by various authors, these nonfiction booklets are sure to spark curiosity and a love for learning in young readers.