The Atlas of Cyberspace, by Martin Dodge and Rob Kitchin, is the first comprehensive book to explore the spatial and visual nature of cyberspace and its infrastructure. It uses a user-friendly, approachable style to examine why cyberspace is being mapped and what new cartographic and visualisation techniques have been employed.
OpenStreetMap is a free editable map of the whole world. It is made by people like you. OpenStreetMap allows you to view, edit and use geographical data in a collaborative way from anywhere on Earth.