Conveniently organized by walking tours and illustrated throughout with maps, drawings, and plans, "Rome and Environs: An Archaeological Guide "covers all of the city's ancient sites, and, unlike most other guides, now includes the major monuments in a large area outside Rome proper but within easy reach, such as Ostia Antica, Palestrina, Tivoli, and the many areas of interest along the ancient Roman roads.  (ITA187, $34.95)