Sandra Friend is a freelance writer and photographer whose work has appeared in Blue Ridge Country, Appalachian Trailway News, Florida Hiker , and Backpacker . She participates in the Florida Trail Association as an activity leader, a trail maintainer, and a volunteer with organization publications. She is also the author of Explorer's Guide 50 Hikes in Central Florida; Explorer's Guide 50 Hikes in North Florida; Explorer's Guide 50 Hikes in South Florida; Florida in the Civil War: A State in Turmoil , and Sinkholes . She lives in Ocala, Florida. Kathy Wolf has lived in Florida for over twenty years and is the co-author of several Florida Explorer's Guides .