The Pacific Crest National Scenic Trail (PCT) runs 2,650 miles from the California-Mexico border north to the border of Washington and Canada. The Southern California volume, updated by Laura Randall covers the first 900 miles, and the new 2018 edition combines the in-depth reports on the trail's rich natural history and geology of earlier volumes with detailed route descriptions, easier-to-read maps and color photos. There are also updates on resupply access points, reliable water sources, and what hikers can expect from the long-term effects of wildfires and drought conditions that...