This encyclopedia covers all the subjects children really want to know about, like what's inside a pyramid? What is an echo? Did cavemen live in caves? With over 650,000 copies sold worldwide, this refreshed edition of a bestseller brings the latest updates in ever-changing topics for curious kids.

This exciting encyclopedia for kids offers:

- Important information across many big topics, including space, animals and the human body.
- Each double page that is presented around a question a child would ask, providing young readers with an engaging and accessible route into the subject.
- Quiz boxes with additional questions for children, encouraging them to find the answers themselves on the page.

Why? Encyclopedia combines 3D digital illustrations and an interactive question-and-answer format to create an engaging and accessible approach to a number of core topics. This perfect first reference book brings subjects to life, with the latest updates in ever-changing topics, such as space exploration, as well as new pages on interesting topics, including artificial intelligence, climate change, pandemics, and gravity.