9780618706037 | Pap/cdr edition (Houghton Mifflin, December 14, 2007), cover price $19.95 | About this edition: Bringing together elements of geology, natural history, geography, and human history, a collection of captioned aerial photographs tour the United States, identifying the features that airline passengers will see from the air, with essays interpreting these visible features along a flight corridor with photographs sequenced to follow a trip from takeoff to landing.