In Leading on the Edge, successful business speaker and consultant Rachael Robertson shares the lessons she learned as leader of a year-long expedition to the wilds of Antarctica. Leading eighteen strangers around the clock for a full year--through months of darkness and with no escape from the frigid cold, howling winds, and each other--Robertson learned powerful lessons about what real, authentic leadership is. Here, she offers a deeply honest and humorous account of what it takes to survive and lead...