In 1714, England's Parliament offered a huge reward to anyone whose method of measuring longitude could be proven successful. The scientific establishment--from Galileo to Sir Isaac Newton--had mapped the heavens in its certainty of a celestial answer. In stark contrast, one man, John Harrison, dared to imagine a mechanical solution--a clock that would keep precise time at sea, something no clock had been able to do on land. And the race was on....

America's first frontier was not the West; it was the sea, and no one writes more eloquently about that watery wilderness than Nathaniel Philbrick. In his best-selling In the Heart of the Sea, Philbrick probed the nightmarish dangers of the vast Pacific. Now, in an epic sea adventure, he writes about one of the most ambitious voyages of discovery the Western world has ever seen - the US Exploring Expedition of 1838-1842.

The conception and building of the Appalachian Trail is a story of unforgettable characters who explored it, defined it, and captured national attention by hiking it. From Grandma Gatewood—a mother of eleven who thru-hiked in canvas sneakers and a drawstring duffle—to Bill Bryson, author of the best-selling A Walk in the Woods, the AT has seized the American imagination like no other hiking path. The 2,000-mile-long hike from Georgia to Maine is not just a trail through the woods, but a set of ideas about nature etched in the forest floor.

An enthralling historical narrative filled with critical leadership insights that will be of interest to a wide range of listeners - including those in government, business, education, and the arts - Forged in Crisis, by celebrated Harvard Business School historian Nancy Koehn, spotlights five masters of crisis: polar explorer Ernest Shackleton, President Abraham Lincoln, legendary abolitionist Frederick Douglass, Nazi-resisting clergyman Dietrich Bonhoeffer, and environmental crusader Rachel Carson.

Set against the backdrop of an expanding nation, Brilliant Beacons traces the evolution of America's lighthouse system, highlighting the political, military, and technological battles fought to illuminate the nation's hardscrabble coastlines.

Enrico Fermi is unquestionably among the greats of the world's physicists, the most famous Italian scientist since Galileo. Called "the Pope" by his peers, he was regarded as infallible in his instincts and research. His discoveries changed our world; they led to weapons of mass destruction and conversely to life-saving medical interventions. This unassuming man struggled with issues relevant today, such as the threat of nuclear annihilation and the relationship of science to politics.

Bare-Faced Messiah tells the extraordinary story of L. Ron Hubbard, a penniless science fiction writer who founded the Church of Scientology, became a millionaire prophet, and convinced his adoring followers that he alone could save the world. Bare-Faced Messiah exposes the myths surrounding the fascinating and mysterious founder of the Church of Scientology - a man of hypnotic charm and limitless imagination - and provides the definitive account of how the notorious organization was created.

Nikola Tesla (1856-1943), credited as the inspiration for radio, robots, and even radar, has been called the patron saint of modern electricity. Based on original material and previously unavailable documents, this acclaimed book is the definitive biography of the man considered by many to be the founding father of modern electrical technology.

The Path Between the Seas tells the story of the men and women who fought against all odds to fulfill the 400-year-old dream of constructing an aquatic passageway between the Atlantic and Pacific oceans. It is a story of astonishing engineering feats, tremendous medical accomplishments, political power plays, heroic successes, and tragic failures. McCullough expertly weaves the many strands of this momentous event into a captivating tale.

In a landmark work of history, Russell Shorto presents astonishing information on the founding of our nation and reveals in riveting detail the crucial role of the Dutch in making America what it is today.

Thomas Edison was born into a hard-working but attentive family. He struggled in school and became deaf at an early age. Born on February 11, 1847, Edison would become, arguably, the best-known American inventor of all time. His invention of the light bulb was one of more than 1,000 patents he held during his lifetime. Others included the phonograph, the electrical grid, and motion pictures. His work changed the way we see and hear the world around us.

No cloistered don, this tall, married Englishman was a freethinking intellectual, who practiced nudism and was devoted to a quirky brand of folk dancing. In 1937, while working as a biochemist at Cambridge University, he instantly fell in love with a visiting Chinese student, with whom he began a lifelong affair. He soon became fascinated with China, and his mistress swiftly persuaded the ever-enthusiastic Needham to travel to her home country, where he embarked on a series of extraordinary expeditions to the farthest frontiers of this ancient empire.

Admiral Hyman George Rickover (1899-1986) remains an almost mythical figure in the United States Navy. A brilliant engineer with a ferocious will and combative personality, he oversaw the invention of the world’s first practical nuclear power reactor. In this exciting biography, historian Marc Wortman explores the constant conflict Rickover faced and provoked, tracing how he revolutionized the navy and Cold War strategy.

The Great Polar Fraud explores the history of the three men who claimed the pole, their claims, and the subsequent doubts of those claims, effectively rewriting the history of polar exploration and putting Amundsen center stage as the rightful conqueror of both poles.

On the afternoon of 8 April 1802, in the remote southern ocean, two explorers had a remarkable chance encounter. Englishman Matthew Flinders and Frenchman Nicolas Baudin had been sent by their governments on the same quest: to explore the uncharted coast of the great south land and find out whether the west and east coasts, four thousand kilometres apart, were part of the same island. And so began the race to compile the definitive map of Australia.