Sir Hubert Wilkins is one of the most remarkable Australians who ever lived. The son of pioneer pastoralists in South Australia, Hubert studied engineering before moving on to photography, then sailing for England and a job producing films with the Gaumont Film Co. Brave and bold, he became a polar expeditioner, a brilliant war photographer, a spy in the Soviet Union, a pioneering aviator-navigator, a death-defying submariner - all while being an explorer and chronicler of the planet and its life forms that would do Vasco da Gama and Sir David Attenborough proud.

Richard Branson is an iconic businessman. In Screw It, Let’s Do It, he shares the secrets of his success and the invaluable lessons he has learned over the course of his remarkable career. As the world struggles with the twin problems of global recession and climate change, Richard explains why it is up to big companies like Virgin to lead the way in finding a more holistic and environmentally friendly approach to business.

You’re stressed, tired of answering the beeps on your phone and computer. Your kids get too much screen time. You don’t know where your next meal was grown or raised. One of the best forms of therapy is simple: Get out and stay out - as often and for as long as you can. In Both Feet on the Ground, Marshall Ulrich champions “disconnecting to reconnect”, urging you to spend time unplugged, eat food whose origins you understand, and push yourself to try something bold and personally compelling.

For 18 years, Ed Viesturs pursued climbing's holy grail: to stand atop the world's 14 8,000-meter peaks, without the aid of bottled oxygen. But No Shortcuts to the Top is as much about the man who would become the first American to achieve that goal as it is about his stunning quest. As Viesturs recounts the stories of his most harrowing climbs, he reveals a man torn between the flat, safe world he and his loved ones share and the majestic and deadly places where only he can go.

An epic memoir from a man whose life is defined by exploration and innovation, The Sky Below re-creates some of the most unforgettable adventures of our time. From dramatic, high-risk spacewalks to author Scott Parazynski's death-defying quest to summit Mount Everest - his body ravaged by a career in space - listeners will experience the life of an elite athlete, physician, and explorer.

In 1967, 12 young men attempted to climb Alaska's Mount McKinley—known to the locals as Denali—one of the most popular and deadly mountaineering destinations in the world. Only five survived. Journalist Andy Hall, son of the park superintendent at the time, investigates the tragedy. He spent years tracking down survivors, lost documents, and recordings of radio communications. In Denali's Howl, Hall reveals the full story.

Ranulph Fiennes has travelled to the most dangerous and inaccessible places on earth, almost died countless times, lost nearly half his fingers to frostbite, raised millions of pounds for charity, and been awarded a polar medal and an OBE. He has been an elite soldier, an athlete, a mountaineer, an explorer, a bestselling author, and nearly replaced Sean Connery as James Bond.

On a foggy July evening in 1956, the Italian cruise liner Andrea Doria, bound for New York, was struck broadside by another vessel. In eleven hours, she would sink nearly 250 feet to the murky Atlantic Ocean floor. Thanks to a daring rescue operation, only 51 of more than 1,700 people died in the tragedy. But the Andrea Doria is still taking lives. Considered the Mt. Everest of diving, the Andrea Doria is the ultimate deepwater wreck challenge.

David Roberts, "veteran mountain climber and chronicler of adventures" (Washington Post), has spent his career documenting voyages to the most extreme landscapes on earth. In Limits of the Known, he reflects on humanity's - and his own - relationship to extreme risk. Part memoir and part history, this book tries to make sense of why so many have committed their lives to the desperate pursuit of adventure.

In early May 2006, a young British climber named David Sharp lay dying near the top of Mount Everest while forty other climbers walked past him on their way to the summit. A week later, Lincoln Hall, a seasoned Australian climber, was left for dead near the same spot. Hall's death was reported around the world, but the next day he was found alive after spending the night on the upper mountain with no food and no shelter.

Henry Worsley spent his life idolizing Ernest Shackleton, the 19th-century polar explorer who tried to become the first person to reach the South Pole and later sought to cross Antarctica on foot. Worsley felt an overpowering connection to those expeditions. In 2008, Worsley set out across Antarctica with two other descendants of Shackleton's crew, battling the freezing, desolate landscape and life-threatening physical exhaustion. He soon felt compelled to go back. In 2015, Worsley bid farewell to his family and embarked on his most perilous quest: to walk across Antarctica alone.

No one writes about mountaineering and its attendant victories and hardships more brilliantly than Jon Krakauer. In this collection of his finest essays and reporting, Krakauer writes of mountains from the memorable perspective of one who has himself struggled with solo madness to scale Alaska's notorious Devils Thumb.

The flight of Apollo 11 made Aldrin one of the most famous persons on our planet, yet few people know the rest of this true American hero's story. In Magnificent Desolation, Aldrin not only gives us a harrowing first-person account of the lunar landing that came within seconds of failure and the ultimate insider's view of life as one of the superstars of America's space program, he also opens up with remarkable candor about his more personal trials - and eventual triumphs - back on Earth.

More people have died exploring underwater caves than climbing Mount Everest, and we know more about deep space than we do about the depths of our oceans. From one of the top cave divers working today - and one of the very few women in her field - Into the Planet blends science, adventure, and memoir to bring listeners face-to-face with the terror and beauty of Earth’s remaining unknowns and the extremes of human capability.

The Space Barons is the story of a group of billionaire entrepreneurs who are pouring their fortunes into the epic resurrection of the American space program. Nearly a half century after Neil Armstrong walked on the moon, these Space Barons—most notably Elon Musk and Jeff Bezos, along with Richard Branson and Paul Allen—are using Silicon Valley-style innovation to dramatically lower the cost of space travel and send humans even further than NASA has gone.