The term "psychogeography" is used to illustrate a bewildering array of ideas, from ley lines and the occult to urban walking and political radicalism? Where does it come from and what exactly does it mean? Psychogeography is the point where psychology and geography meet in assessing the emotional and behavioral impact of urban space. The relationship between a city and its inhabitants is measured firstly through an imaginative and literary response, secondly on foot through walking the city. This creates a tradition of the writer as walker and has both a literary and a political component. This guide examines the origins of psychogeography in the Situationist Movement of the 1950s, exploring the theoretical background and its political applications as well as the work of early practitioners such as Guy Debord and Raoul Vaneigem. Elsewhere, psychogeographic ideas continue to find retrospective validation in much earlier traditions from the visionary writing of William Blake and Thomas...