With a polished walking stick and neatly pressed trousers, Richard Halliburton served as an intrepid globetrotting guide for millions of Americans in the 1920s and '30s. Readers waited with bated breath for each new article and book he wrote. During his career, Halliburton climbed the Matterhorn, nearly fell out of his plane while shooting the first aerial photographs of Mount Everest, and became the first person to swim the full length of the Panama...