The product is a textbook titled "The World's Cities: Contrasting Regional, National, and Global Perspectives" by author A. J. Jacobs. Published by Routledge in 2012 as part of "The Metropolis and Modern Life Ser." series, this 424-page book explores urban and regional sociology, public policy, and city planning. It is a paperback format, weighing 1 lb with dimensions of 9.3 inches in length, 7.4 inches in width, and 0.7 inches in height. Written in English, this textbook provides insights into the diverse perspectives of cities around the world.