Ask Kristin: 150 Essential Tips & Tricks from BACKPACKER's Gear Pro

After more than two decades as a professional gear tester for BACKPACKER Magazine, Kristin Hostetter has pretty well seen it all when it comes to the outdoors. Here, she answers more than 150 questions from readers and dishes out essential advice on everything from staying warm to repairing a tent to picking the right backpack for a trip. Besides bear spray and a comfy baselayer, this book just might be every hiker's new best friend.