Have you seen Hans Karlsson? If you live somewhere on this planet, he's probably been there, riding through on his Honda Gold Wing. Around the World on Two Wheels: An Old Man's Motorcycle Journeys Through 76 Countries recounts the true adventures of a man who has ridden (and is riding) his bike to all corners of the globe. Hans Karlsson, age ninety-one, has been to Anchorage, Mexico City, Buenos Aires, Bogota, Lima, Sydney, Auckland, Paris, Moscow, Stockholm, Zurich, Glasgow, Damascus, Istanbul, Tehran, New Delhi, and about a thousand towns and villages in...