Exploring the frozen Alaskan wilderness; spotting elephants and lions on a Botswana river safari; sailing through the mighty fjords in Scandinavia and New Zealand; island-hopping the Caribbean, rich in colonial plazas and white sand beaches. Cruising has never been more diverse. This practical and inspiring guide gives you the lowdown on the wide world of cruises. Get essential advice and expert tips on everything from the types of cruises...