Jennifer Pharr Davis had already hiked the Appalachian Trail twice, and even became the women's record holder for the fastest thru-hiker on her second trek, but that wasn't enough: the mountains called her name once again, and she couldn't resist. In the summer of 2011, 28-year-old Jennifer set set out on her greatest challenge yet---breaking the men's record to become the fastest person to hike the AT.

46 Days features personal photographs from the journey and a forword and afterword by Jen with first hand reflections on her life-changing voyage.