This book presents a comprehensive introduction to, and overview of, the entire range of Olssons geography from the early days of spatial science to his contemporary engagement with, and critique of, cartographical reasoning. It includes selected samples of Olssons own writings, including rarities, together with a consolidated bibliography of his publications. It also contains critical engagements from leading scholars written from a variety of perspectives and structured in a way that makes Olssons geography accessible to a wide readership, whether already familiar with Olssons work, or not.