By nature a wanderer, Mr. Christy roamed the world as a young man supporting himself by whatever expedient he could find: Travelin Light is a diary that highlights both his roaming and a dozen significant encounters he made while on the road from the Amazon to the Yukon, including his own way of life, his habitual involvement with drugs, booze, prostitution, poverty, and violence. His talent for disturbingly presenting descriptive detail led him...