This is an updated and expanded third edition of this comprehensive manual for owners or prospective purchasers of four-wheel-drive vehicles for off-road use, from a local forest track to crossing the Sahara desert. It details the most commonly available passenger-carrying 4WD vehicles and their accessories; features driving in. and recovering vehicles from, hostile environments such as sand, mud, water, snow and ice; advises on planning expeditions, including survival techniques, common problems and emergency field repairs; and reports on equipment such as winches, tyres, specialist transmissions and navigation aids.