Download or read book City Worlds written by John Allen and published by Routledge. This book was released on 2005-06-23 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt: For the first time in history, half of the worlds population is living in mega-cities. Never before have we confronted such a geography of the worlds people. Analysing cities through spatial understanding, City Worlds explores how different worlds within the city are brought into close proximity. The authors outline new ways to address the ambiguities of cities: their promise and potential, their problems and threats.