Advice from a 30 year veteran of 4WD machines.  Explains what to look for in off-road machines and which vehicles are best for various terrains and conditions. This book includes a catalog of vehicles as of its publishing date.  It also includes information on driving in and recovering vehicles from hostile environments,and includes planning expeditions and survival techniques.  This book could potentially be used to determine requirements for an offroad 4×4 machine build project.