Record-setting explorer & mountaineer pens book about her explorations

At age 46 Vanessa O'Brien climbed Mount Everest . She went on to set a world record by climbing the highest peaks on every continent in less than a year. She was also the first woman to complete the Four Poles Challenge, which is the highest mountain, the deepest ocean and the North and South Poles. And because that's not enough, she wrote a book about it all called, To The Greatest Heights, a memoir about her travels, her adventures her explorations and what she learned along the way. ToTheGreatestHeights.com