walls off buildings - to show you how they work, explaining both basic principles (such as photosynthesis) as well as broader concepts (like how all the living things in a rainforest interact). Explore each and every page of this engaging encyclopedia to discover: - Key insights into both the natural and human worlds - Striking photography that brings certain concepts to life - A diverse range of chapters coinciding with STEM subjects at school Chapters range from the human body to cities and industry, to planet Earth, taking in sleep patterns, cooking, sewage systems, wind farms, fungi spores, and plate tectonics along the way. How Everything Works is perfect for children studying STEM subjects at school or anyone who is simply curious about how nature and the modern world work.