Ari Marmell explains the general philosophy for how the book examines D&D'''s cities: "While I don't know that C.A. and I had a single definable "philosophy" going into Cityscape, we did have a few specific goals and mandates. Perhaps the most important was that we wanted the book to provide the tools to make gaming in an urban environment as different an experience as the DM and players wanted it to be.
Ari Marmell outlines the core idea behind how the book approaches D&D's cities: "Although I'm not certain that C.A. and I had a single, coherent 'philosophy' for Cityscape, we did have a few key principles guiding our work. The most important was to provide the tools necessary to create an urban gaming environment that was unique to each DM and player.