The book comprises a set of chapters relating to research presented at the 4th National Cartographic Conference GeoCart'2008, which was held in Auckland, New Zealand on September 1st to 3rd, 2008. The Conference is endorsed by the International Cartographic Association (ICA). The book delivers a representative, valuable and timely selection of cutting edge research in the fields of cartography and geovisualisation, with contributions from leading researchers worldwide. Each chapter has been reviewed by three international experts. The book incorporates sections on Representation, Egocentric Cartography, Geovisual Exploration of Uncertainty and Terrain, and Web Mapping.