Why do ostriches bury their heads in the sand? What are gas giants? Young readers can discover the answers to these questions and more in this incredible encyclopedia, bringing together cutting-edge knowledge, awe-inspiring ideas, and eye-opening images. The engaging Q&A format makes learning accessible and fun. Readers can memorize and share these bizarre facts, all while building their knowledge on a variety of topics, including: • Space • Science • Animals • Planet Earth • Human Body • Technology uses stunning photography, fabulous facts and useful diagrams to introduce a variety of subjects - from the animal kingdom to space. Great to dip into, these reference guides are a staple for any child's bookshelf.