In March of 2012, Caroline Van Hemert and her husband, Pat, set off on a 4,000-mile wilderness journey from the Pacific rainforest to the Alaskan Arctic, traveling by rowboat, ski, foot, raft, and canoe. Together, they encountered harrowing dangers and beautiful natural wonders. Caroline joins the show to talk about the process of both surviving six months in the wild and another few years capturing it all in her stunning new book, The Sun is a Compass.