GREAT RIVER CRUISES - INSIGHT GUIDES Expert writers bring to life the best of European and Nile River Cruises, with background details on history and full details on all ports of call. From the castles of the Rhine and the Danube to the incomparable Nile, and from the Douro to the Volga, it's all here. This book is an inspiring background read, serving as an invaluable, on-the-spot companion; but it can also be kept as a superb, visual souvenir.