Moore, Patrick Mars / Patrick Moore and Charles A. Cross - London : Mitchell-Beazley, 1973 - 48 p. : ill. (some col.) ; 34 cm. Includes index ISBN: 0855330120 : PND 4.50 Subjects--Topical Terms: PlanetologyPlanets Subjects--Geographic Terms: Mars (Planet) Dewey Class. No.: 523.43