NBC commentator from Washington, Mr. Beatty is fully informed on the city and its background, traditions and activities. These become an integral part of a sound tourist guide which follows established routes with competent detail as to what to see, how to see it, what it means, etc. Capitol Hill -- with minutely detailed data on the Capitol, and sufficient information on the other buildings; the Federal Triangle with the administrative department buildings; The Mall, with its museums, art galleries, etc.; the President's Square- here the White House is fully detailed; the Northwest Rectangle- again departments, chiefly, Mansions, Memorials, Monuments and Shrines- rich data here, with Mr. Vernon and Arlington given main emphasis; Military Establishments, Medical Centers, Embassies, Churches, Schools and Colleges, Parks, Business and Residential Areas (Georgetown in focus) -- competently recounted, for the tourist with more time on his hands. The text fulfills its purpose, to help those planning a trip, to provide preliminary briefing, and to supply subsequent expanded reference.