New York Times best-selling author and ultramarathoning legend Dean Karnazes has pushed his body and mind to inconceivable limits, from running in the shoe-melting heat of Death Valley to the lung-freezing cold of the South Pole. He’s raced and competed across the globe and once ran 50 marathons, in 50 states, in 50 consecutive days.

David Clark is a formerly obese alcoholic and fast food junkie who found a new life in running. Now, 13 years after his transformation, he shares his inspiring story of taking running to the extreme edge of his physical and spiritual breaking points. Having run more than a hundred races, including the Leadville 100-Mile Trail Run and the Hardrock 100, David has achieved unimaginable success in the ultramarathon world, considering his humble start.

In Eat and Run, Scott Jurek opens up about his life and career - as an elite athlete and a vegan - and inspires runners at every level. From his Midwestern childhood hunting, fishing, and cooking for his meat-and-potatoes family, to his early beginnings in running (he hated it), to his slow transition to ultrarunning and veganism, to his world-spanning, record-breaking races, Scott's story shows the power of an iron will and blows apart all the stereotypes of what athletes should eat to fuel optimal performance.

As a journalist whose career spans three decades, CNN correspondent Tom Foreman has reported from the heart of war zones, riots, and natural disasters. He has interviewed serial killers and been in the line of fire. But the most terrifying moment of his life didn't occur on the job - it occurred at home, when his 18-year-old daughter asked, "How would you feel about running a marathon with me?"

Scott Jurek is one of the world's best known and most beloved ultrarunners. Renowned for his remarkable endurance and speed, accomplished on a vegan diet, he's finished first in nearly all of ultrarunning's elite events over the course of his career. But after two decades of racing, training, speaking, and touring, Jurek felt an urgent need to discover something new about himself. He embarked on a wholly unique challenge, one that would force him to grow as a person and as an athlete: breaking the speed record for the Appalachian Trail.

Isolated by Mexico's deadly Copper Canyons, the blissful Tarahumara Indians have honed the ability to run hundreds of miles without rest or injury. In a riveting narrative, award-winning journalist and often-injured runner Christopher McDougall sets out to discover their secrets. In the process, he takes his readers from science labs at Harvard to the sun-baked valleys and freezing peaks across North America, where ever-growing numbers of ultra-runners are pushing their bodies to the limit.

This revolutionary training method has been embraced by elite runners - with extraordinary results - and now you can do it, too. Respected running and fitness expert Matt Fitzgerald explains how the 80/20 running program - in which you do 80 percent of runs at a lower intensity and just 20 percent at a higher intensity - is the best change runners of all abilities can make to improve their performance.

Honest, relatable, and raw, every listener will connect with Sally’s story and see how they too can overcome even the most difficult situations in life and sport. Choose Strong is a story for everyone from every age and walk of life looking to live their strongest life.

Writing from both the cutting edge of scientific discovery and the front-lines of elite athletic performance, National Magazine Award-winning science journalist Alex Hutchinson presents a revolutionary account of the dynamic and controversial new science of endurance.

David Clark went from the rock bottom of bankruptcy, addiction, and obesity to becoming an accomplished athlete. In this compelling story of his life, he not only shares his journey with complete honesty, but he also lays out a blueprint for change that anyone can use to redefine what is possible.

From the best-selling author and renowned coach duo from Born to Run, a practical guide to running for everyone from amateurs to seasoned runners, about how to eat, race, and train like the world's best. Whether you're ramping up for a race or recuperating from an injury, Born to Run 2 is a holistic program for runners of every stripe that centers on seven key themes: food, fitness, form, footwear, focus, fun, and family.

At 22, Cheryl Strayed thought she had lost everything. In the wake of her mother's death, her family scattered and her own marriage was soon destroyed. Four years later, with nothing more to lose, she made the most impulsive decision of her life: to hike the Pacific Crest Trail from the Mojave Desert through California and Oregon to Washington State - and to do it alone. She had no experience as a long-distance hiker, and the trail was little more than “an idea, vague and outlandish and full of promise.” But it was a promise of piecing back together a life that had come undone.

When elite and everyday ultrarunners alike want to improve their ultramarathon performance, they turn to Coach Jason Koop for guidance and council. Training Essentials for Ultrarunning takes Coach Koop's time-proven and evidenced-based methodologies that have been honed over 20 years of professional coaching and delivers it to the masses. Regardless of whether you are first-time ultrarunner, a seasoned veteran, or an ultrarunning coach, this resource is a must-have for all ultrarunners.

Deena Kastor was a star youth runner with tremendous promise, yet her career almost ended after college, when her competitive method - run as hard as possible, for fear of losing - fostered a frustration and negativity and brought her to the brink of burnout. On the verge of quitting, she took a chance and moved to the high altitudes of Alamosa, Colorado, where legendary coach Joe Vigil had started the first professional distance-running team. There she encountered the idea that would transform her running career: the notion that changing her thinking - shaping her mind to be more encouraging, kind, and resilient - could make her faster than she’d ever imagined possible.

Part narrative, part practical, this adventure takes you to the foothills of Ethiopia and the ‘town of runners’; to the training grounds of world-record-holding marathon runners in Kenya; racing across the Arctic Circle and the mountains of Europe, through the sweltering sands of the Sahara and the hostility of a winter traverse of the Pennine Way, to witness the incredible natural movement of runners in these environments.