In order, the books cover the design of fortified cities, materials, ecclesiastical architecture and domestic architecture. His work on the design of cities was influential, having been cited by Andrea Palladio and elaborated on by Scamozzi and Vasari.
The books cover the design of fortified cities, materials, ecclesiastical architecture, and domestic architecture. His work on city design was influential, being cited by Andrea Palladio and elaborated upon by Scamozzi and Vasari.