Susan Casey is our premiere chronicler of the aquatic world. For The Underworld she traversed the globe, joining scientists and explorers on dives to the deepest places on the planet, interviewing the marine geologists, marine biologists, and oceanographers who are searching for knowledge in this vast unseen realm. She takes us on a fascinating journey through the history of deep-sea exploration, from the myths and legends of the ancient world to storied shipwrecks we can now reach on the bottom.

On January 28, 1742, a ramshackle vessel of patched-together wood and cloth washed up on the coast of Brazil. Inside were thirty emaciated men, barely alive, and they had an extraordinary tale to tell. They were survivors of His Majesty’s Ship the Wager, a British vessel that had left England in 1740 on a secret mission during an imperial war with Spain. While the Wager had been chasing a Spanish treasure-filled galleon known as “the prize of all the oceans,” it had wrecked on a desolate island off the coast of Patagonia.

Even among iconic frontiersmen like John C. Fremont, Kit Carson, and Jedediah Smith, Jim Bridger stands out. A mountain man of the American West, straddling the fur trade era and the age of exploration, he lived the life legends are made of. Here, in a biography that finally gives this outsize character his due, Jerry Enzler takes this frontiersman's full measure for the first time—and tells a story that would do Jim Bridger proud.

A sensational disappearance that made headlines around the world. A quest for truth that leads to death, madness or disappearance for those who seek to solve it. The Lost City of Z is a blockbuster adventure narrative about what lies beneath the impenetrable jungle canopy of the Amazon. After stumbling upon a hidden trove of diaries, acclaimed New Yorker writer David Grann set out to find out what happened to the British explorer Percy Fawcett and his quest for the Lost City of Z.

Before 1862, Joshua Lawrence Chamberlain had rarely left his home state of Maine, where he was a trained minister and mild-mannered professor at Bowdoin College. His colleagues were shocked when he volunteered for the Union army, but he was undeterred and later became known as one of the North’s greatest heroes: On the second day at Gettysburg, after running out of ammunition at Little Round Top, he ordered his men to wield their bayonets in a desperate charge down a rocky slope that routed the Confederate attackers.

The Last Viking unravels the life of the man who stands head and shoulders above all those who raced to map the last corners of the world. In 1900, the four great geographical mysteries - the Northwest Passage, the Northeast Passage, the South Pole, and the North Pole - remained blank spots on the globe. Within twenty years Roald Amundsen would claim all four prizes.

In the summer of 1913, the wooden-hulled brigantine Karluk departed Canada for the Arctic Ocean. At the helm was Captain Bob Bartlett, considered the world’s greatest living ice navigator. The expedition’s visionary leader was a flamboyant impresario named Vilhjalmur Stefansson hungry for fame. Just six weeks after the Karluk departed, giant ice floes closed in around her. As the ship became icebound, Stefansson disembarked with five companions and struck out on what he claimed was a 10-day caribou hunting trip. Most on board would never see him again.

The summer of 1876 was a key time period in the development of the mythology of the Old West. Many individuals who are considered legends by modern listeners were involved in events that began their notoriety or turned out to be the most famous—or infamous—moments of their lives. Those individuals were Lieutenant Colonel George Armstrong Custer, Sitting Bull, Crazy Horse, Wyatt Earp, Bat Masterson, Wild Bill Hickok, and Jesse James. The Summer of 1876 weaves together the timelines of the events that made these men legends.

On April 25, 2015, Jim Davidson was climbing Mount Everest when a 7.8 magnitude earthquake released avalanches all around him and his team, destroying their only escape route and trapping them at nearly 20,000 feet. It was the largest earthquake in Nepal in 81 years and killed about 8,900 people. That day also became the deadliest in the history of Everest, with 18 people losing their lives on the mountain.

On May 22, 2010, at the age of 13, American teenager Jordan Romero became the youngest person to climb to the summit of Mount Everest. At 15, he became the youngest person to reach the summits of the tallest mountains on each of the seven continents. In this energizing memoir for young adults, Jordan recounts his experience, which started as a spark of an idea at the age of nine and, many years of training and hard work later, turned into a dream come true.

In 2006, Kit DesLauriers made history by becoming the first person to climb - and then ski - from the summit of each continent's highest mountain, the famed Seven Summits. Centered on this quest, Higher Love represents a hero's journey, rich with personal insights, life-threatening consequences, and a thrilling crescendo. Spanning seven continents in just two years, this deeply personal memoir recounts Kit's initially secret journey that would change her life forever.

In May of 1963, Seattle mountaineer Jim Whittaker stepped into world history by becoming the first American to summit Mount Everest. More than 50 years later, he is still regarded as a seminal figure in North American mountaineering, as well as an astute businessman who helped create the outdoor recreation industry. A Life on the Edge: Memoirs of Everest and Beyond is Jim's courageous, no-punches-pulled autobiography and a look at a peripatetic, sometimes difficult life.

Prior to December 2018, no individual had ever crossed the landmass of Antarctica alone, without support and completely human powered. Yet, Colin O’Brady was determined to do just that, even if, 10 years earlier, there was doubt that he’d ever walk again normally. From the depths of a tragic accident, he fought his way back. In a quest to unlock his potential and discover what was possible, he went on to set three mountaineering world records before turning to this historic Antarctic challenge.

There is but one aim: the summit, the summit of Mount Everest. What starts with a trouble-free trek into the Nepalese highlands explodes into a gripping tale of hardship, peril, and adversity. Pushed beyond their physical and mental limits, climbers drop by the wayside. Their primal instincts for survival battle with their dogged resolve to drag themselves to the top of the world. But the focus remains: battle to the summit, and if successful, somehow get back down again.

Lost on Purpose is the nonfiction adventure narrative of a former technology executive who took leave of the real world to reinvent himself as a 21st-century mountain man. In October-November 2013, Patrick Taylor crossed the Rocky Mountains alone on foot. He passed through one of the largest wilderness areas in the lower 48 to reach and retrace the route of Lewis and Clark in the winter. The sacrifices - vocationally, financially, emotionally - are measured against the benefits by the author in a refreshingly honest, humorous, and inspirational fashion.