Fun educational books are great for kids who are curious about the world of science. Assorted between level 2 and level 3 readers, book topics come assorted between subjects such as Dinosaurs, Animals, Bugs, Sea Life, Reptiles, and Space. 6x9" 20-pg. hardback books are great for elementary teachers, libraries, and summer reading at home. Case includes 30 – 20-pg. Educational Science Readers assorted among the 6 titles shown.