MAURA MULVIHILL oversees National Geographic Creative, comprising 11.5 million images and thousands of hours of footage dating back to the organization's first foray into television in 1965. Under her direction, the Image Collection represents National Geographic's stable of photographers and manages the Society's extensive video and image assets. JIM RICHARDSON has photographed more than 45 stories for National Geographic and Traveler magazines. His work has been featured on ABC News Nightline and CBS News Sunday Morning. SUSAN TYLER HITCHCOCK is a nonfiction writer and senior book editor at National Geographic. This is her 16th published book and the third National Geographic photography book to which she has contributed.