From the Book - First U.S. edition.
Marco made me do it: North America
Roof of the world: Tibetan Plateau
Natural history: England and New England
The cold world awakens: Lesser Caucasus
Angle of incidence: Greater Caucasus
Borderlandia: Caspian Sea
Wilderness/wasteland: Ustyurt Plateau and Aral Sea Basin
The source of a river: Pamir Knot
A mote of dust suspended in a sunbeam: Tarim Basin and Tibetan Plateau
Road's end: Indo-Gangetic Plain and Greater Himalaya.
