In this book, fellow film actors and bike enthusiasts Ewan McGregor and Charley Boorman travel 20,000 miles around the world by motorbike They will encounter many troublesome situations on the way, ranging from extreme and threatening weather to impenetrable terrain, and will face challenges such as caviar fishing in the Caspian sea, wrestling with the Mongolian Olympic team and riding with the Canadian Mounties Whilst throwing themselves enthusiastically into the culture of each new country - from Alaska to Mongolia, from Canada to Kazakhstan - the two friends will also have to rely on each other's good humour, as the journey tests their relationship and their stamina to the limits