Carl H. Nightingale's eye-opening work of history examines how the use of urban division to reinforce economic disparity was transformed by colonialism and became race-based segregation. The author then imagines a model for the integrated cities of the future in a book that seeks to understand and ameliorate inequality.

July 23: Jessica Mitford died on this day in 1996.

Crime fiction legends Dennis Lehane and Michael Connelly discuss the new book that unites their beloved sleuths Patrick Kenzie and Harry Bosch.