KAPLAN Robert D Earning the rockies: how geography shapes America's role in the world / Robert D Kaplan. - New York: Random House, 2017. - xv, 201 pg.: ill., maps; 24 cm. ISBN: 9780399588211 (hbk.): 22.50GBP Subjects--Topical Terms: KAPLAN, ROBERT D, 1952- -- TRAVEL-- UNITED STATES