Jeanie Kortum is the author of the novel Ghost Vision, loosely based on her experience living in a Greenland village at the top of the world. She researched her next novel, Stones, by joining a hunter-gatherer tribe in Africa. In 1994, in partnership with the National Park Service, she founded A Home Away from Homelessness, an organization dedicated to helping homeless children. Profiled by CBS News, Kortum is also a journalist. She makes her home in Northern California.