Introduces your child to world geography, geology, cultures, weather, simple physics (light, levers, etc.) and much more. Fun pictures throughout. The Children's Encyclopedia (Item AH04) is part of the History / Bible / Literature K package. If you order Science A as a stand-alone package, you will need to purchase thi Sonlight resource: https://www.sonlight.com/products/usborne-internet-linked-childrens-encyclopedia