Rocks are crucial constituents of our lives, not only making the solid ground beneath our feet, but breaking up into the soil that feeds our crops, and providing the metal ores and other materials vital for civilization. This Very Short Introduction introduces the structure and diversity of rocks on Earth, in outer space, and on other planets. This is a thorough and succinct account, accessible to all who would like a concise introduction on a wide and highly researched topic -- rocks... Zalasiewicz is a great storyteller who captures your imagination as concepts are explained using straightforward prose.