Book Reviews : CyberBarbarians at the Gate Technology and the Future of the City CyberCities: Virtual Perception in the Age of Electronic Communication. M. Christine Boyer. New York: Princeton Architectural Press, 1996. 245 pp., $35. Telecommunications and the City: Electronic Spaces, Urban Places. Stephen Graham and Simon Marvin. London: Routledge, 1996. 434 pp., $22.95. City of Bits: Space, Place and the Infobahn. William J. Mitchell. Cambridge, MA: MIT Press, 1995. 225 pp., $10