I would like to draw your attention to DVD called “Message from the Mountains” filmed by Bob Kenan, a back country ranger in the Sequoia and Kings National Parks for the last 30 years.
Message from the Mountains is an inspirational nature film exploring the virtues of wilderness. The DVD includes scenic video of backcountry Sierra Nevada mountains and interviews with backpackers on the John Muir trail and the PCT. http://www.messagefromthemountains.net
Lori