OK, one more “intro.” This one’s a web presentation on psychogeography:

“Psychogeography could set for itself the study of the precise laws and specific effects of the geographical environment, consciously organized or not, on the emotions and behavior of individuals.” – Guy Debord

Link

See also:

Two Reads on Psychogeography

The Headmap Manifesto

China Miéville Lays the Smack Down on Psychogeography