The book provides an excellent description of the birth and development of remote sensing, especially valuable in Canada because of its many areas of difficult access, and of geographical information systems, a Canadian innovation. For those interested in maps themselves rather than the techniques of gathering the necessary information, there are chapters on the development of federal and provincial map and chart styles, the wealth of atlases, and the numerous thematic maps produced in Canada as well as on how this spatial information has been marketed. For the surveyor there are chapters on...