An illustrated tour of our planet's ecosystems both large and small, from reefs, deserts and rainforests to a single drop of water - from the bestselling author of Women in Science. Through exquisite illustrations, maps and infographics, bestselling author Rachel Ignotofsky explains how our planet works, from its incredible ecosystems and the plants and animals that live there to the importance of biodiversity, weather cycles and more. Including information on the dangers of climate change and ideas for how to protect Planet Earth, this utterly charming guide is the perfect gift for all nature-loving readers on the planet we call home.