Sandra Friend is an experienced hiker who has logged more than 5,000 miles on foot throughout the state, including the entire Florida Trail. Friend is the author of over 40 books, including Hiker’s Guide to the Sunshine State.John Keatley is an avid hiker, paddler, and cyclist. Together, they have collaborated on many hiking books, including The Florida Trail Guide, and they are the publishers of the popular outdoor recreation website FloridaHikes.com.