In Humanism and the Urban World, Caspar Pearson offers a profoundly revisionist account of Leon Battista Alberti's approach to the urban environment as exemplified in the extensive theoretical treatise De re aedificatoria (On the Art of Building in Ten Books), brought mostly to completion in the 1450s, as well as in his larger body of written work. Past scholars have generally characterized the Italian Renaissance architect and theorist as an enthusiast of the city who envisioned it as a rational, Renaissance ideal. Pearson argues, however, that Alberti's...