Scholastic's Time-to-Discover series has won praise from educators for its simple language, beautiful photography, and varied science-oriented topics. Complex topics are made accessible to children of all ages and abilities in the text by Melvin and Gilda Berger. Let your young one learn about the wonders of the galaxy with these Readers. This collection includes 6 Readers and a read-aling audio CD:1. The Solar System2. Earth3. The Sun4. The Moon5. Comets6. Shooting StarsCD track list (each title):1. Introduction2. Reading 13. Questions 14. Reading 2 with Fun Facts5. Questions 2商品除瑕疵品外，恕不接受退換貨 因拍攝略有色差，圖片僅供參考，顏色請以實際收到商品為準