"[A] vivid travelogue." New Statesman "Has much to offer." The Spectator "Sparks the imagination." BBC History Magazine "A fascinating study." BBC History Revealed Magazine "Essential reading." All About History "Valiant, valuable and entertaining." Times Literary Supplement The greatest river in the world has a long and fascinating history. Professor Terje Tvedt, one of the world's leading experts on the history of waterways, travels upstream along...