Author SARAH GARLICK is a climber, writer, and educator specializing in earth and environmental science. Garlick has made first ascents of rock walls in Greenland, the Middle East, and Newfoundland, and she's scaled alpine routes in Patagonia, Peru, and the Canadian Rockies. She is the author of the award-winning book Flakes, Jugs & Splitters- A Rock Climber's Guide to Geology and is the founder/director of GeoReach, an organization dedicated to science outreach and communication. Illustrator JARED TRAVNICEK is a scientific and medical illustrator. He received his M.A. in Biological and Medical Illustration from the Johns Hopkins University School of Medicine. Jared is a Certified Medical Illustrator and a professional member of the Association of Medical Illustrators.