MARKER, Sherry. Also writes as Alice Whitman. American, b. 1941. Genres: Travel/Exploration, Biography, History. Career: Freelance writer. Smith College, Northampton, MA, lecturer, 1992-. Publications: FOR YOUNG ADULTS: London, 1990; Cooperation, 1991. TRAVEL BOOKS: The Meteora, 1984; The Peloponnese, 1984; Athens, Attica, and the Islands of the Argo-Saronic Gulf, 1985; Macedonia, Thessaly, and Epirus, 1987; Athens, 1988; Philip of Macedon and the Royal Sites of Macedonia, 1989; Athens and Attica, 1990; The Peloponnese, 1990. BIOGRAPHIES AND AMERICAN HISTORY: Illustrated History of the United States, 1988; Norman Rockwell, 1989; Edward Hopper, 1990; America Then and Now, 1993. Contributor to traveler's guides. Contributor of articles and reviews to periodicals. Address: 25 Tyler Ct., Northampton, MA 01060, U.S.A.