Describes what life was like, especially for children, in coal mines and mining towns in the nineteenth and early twentieth centuries.

This is the story of John Muir's adventurous lie, from his wild and playful boyhood in Scotland to his legendary exploits in America, where he became an inventor, a global explorer, and the first modern environmentalist--and even made friends with a president! His heart was always in the outdoors and he aimed to experience all he could. He swung through a windstorm at the top of a tall tree, clilmbed too many mountains to count, and rode an avalanche...