The invention of numerals is perhaps the greatest abstraction the human mind has ever created. Virtually everything in our lives is digital, numerical, or quantified. The story of how and where we got these numerals, which we so depend on, has for thousands of years been shrouded in mystery. Finding Zero is an adventure-filled saga of Amir Aczel's lifelong obsession: to find the original sources of our numerals.

Trained as a scientist and ordained as a Jesuit priest, Teilhard was one of the most profound spiritual writers of the 20th century. He was a mystic with a cosmic vision, and his spirituality continues to enthrall people around the world. He seamlessly wove together science and theology, creating a powerful vision of the universe.

Journey through the life, thought, and works of Pierre Teilhard de Chardin. One of the most celebrated spiritual minds of the 20th century, Teilhard de Chardin was both a respected scientist and a Jesuit priest. He combined an evolutionary worldview with his commitment to his Christian tradition and Catholic faith. A pioneer in the dialogue between religion and science, he remains a widely influential mystical voice.

As Adolf Hitler and the Nazis seduced a nation, bullied a continent, and attempted to exterminate the Jews of Europe, a small number of dissidents and saboteurs worked to dismantle the Third Reich from the inside. One of these was Dietrich Bonhoeffer, a pastor and author. In this New York Times bestselling biography, Eric Metaxas takes both strands of Bonhoeffer's life—the theologian and the spy—and draws them together to tell a searing story of incredible moral courage in the face of monstrous evil.

The Middle Ages remains one of the most defining eras of human civilization. It is an era characterized by illustrious monarchs, valiant knights in shining armor, and magnificent Gothic architecture. It is also an era characterized by fervent friction, brutish barbarism, frequent famines, pestilent plagues, and of course, death. Some say the mortality rate in medieval times was like no other; with about a third of all children dying before the age of five, it was nearly miraculous for one to live past their 40s.

From the New York Times best-selling author of Seven Brief Lessons on Physics, The Order of Time, and Helgoland, a closer look at the mind-bending nature of the Universe. What are the elementary ingredients of the world? Do time and space exist? And what exactly is reality? Theoretical physicist Carlo Rovelli has spent his life exploring these questions. He tells us how our understanding of reality has changed over the centuries and how physicists think about the structure of the Universe today.

Stunning new archaeological discoveries in North America together with new genetic evidence have launched a revolution in our understanding of the remote past of our species and of the origins of civilization. Graham Hancock, the internationally best-selling author has been overwhelmingly vindicated by recent discoveries. America Before: The Key to Earth's Lost Civilization is a mind-dilating exploration of the mystery of ancient civilizations, amazing archaeological discoveries, and profound implications for how we lead our lives today.

Just 150 years ago, most of our world was an unexplored wilderness. Our sense of its age was vastly off the mark. And what we believed to be the history of our own species consisted of fantastic myths and fairy tales; fossils, known for millennia, were seen as the bones of dragons and other imagined creatures. How did we learn so much so quickly? Remarkable Creatures celebrates the pioneers who replaced our fancies with the even more remarkable real story of how our world evolved.

Alexander von Humboldt (1769-1859) was an intrepid explorer and the most famous scientist of his age. His restless life was packed with adventure and discovery, whether climbing the highest volcanoes in the world or racing through anthrax-infested Siberia. He came up with a radical vision of nature, that it was a complex and interconnected global force and did not exist for man's use alone. Ironically, his ideas have become so accepted and widespread that he has been nearly forgotten.

Best-selling author and legendary conspiracy researcher Jim Marrs, who has investigated the recent financial crisis, the JFK assassination, and the national socialist takeover of America, now takes on his biggest subject: the history of mankind. Offering mind-blowing information that will radically alter the way we think about the world and our place in it, Marrs goes beyond the revelations of his classic Alien Agenda, interweaving science and authentic archaeological finds with provocative speculation to show how human civilization may have originated with nonhumans who visited earth eons ago.

Erich von Däniken again shows his flair for revealing truths that his contemporaries have missed. After closely analyzing hundreds of ancient and apparently unrelated texts, he is now ready to proclaim that human history is nothing like the world religions claim---and he has the proof! In History Is Wrong, von Däniken takes a closer look at the fascinating Voynich manuscript, which has defied all attempts at decription since its discovery, and makes some intriguing revelations about the equally incredible book of Enoch.

A few years ago, Mark Adams made a strange discovery: Everything we know about the lost city of Atlantis comes from the work of one man, the Greek philosopher Plato. Then he made a second, stranger discovery: Amateur explorers are still actively searching for this sunken city all around the world, based entirely on the clues Plato left behind.

WASPs finally get their due in this stimulating history by one of the world's leading geneticists. Saxons, Vikings, and Celts is the most illuminating book yet to be written about the genetic history of Britain and Ireland. Through a systematic, ten-year DNA survey of more than 10,000 volunteers, Bryan Sykes has traced the true genetic makeup of British Islanders and their descendants.

This dynamic chronicle of the race to find the "missing links" between humans and apes transports readers into the highly competitive world of fossil hunting and into the lives of the ambitious scientists intent on pinpointing the dawn of humankind. The quest to find where and when the earliest human ancestors first appeared is one of the most exciting and challenging of all scientific pursuits.

Meriwether Lewis discovered far more than the history books tell - ancient civilizations, strange monuments, "nearly white, blue-eyed" Indians, and evidence that the American continent was visited long before the first European settlers arrived. And he was murdered to keep it all secret. Examining the shadows and cracks between America's official version of history, Xaviant Haze and Paul Schrag propose that the America of old taught in schools is not the America that was discovered by Lewis and Clark and other early explorers.

Just 150 years ago, most of our world was an unexplored wilderness. Our sense of its age was vastly off the mark. And what we believed to be the history of our own species consisted of fantastic myths and fairy tales; fossils, known for millennia, were seen as the bones of dragons and other imagined creatures. How did we learn so much so quickly? Remarkable Creatures celebrates the pioneers who replaced our fancies with the even more remarkable real story of how our world evolved.

This dynamic chronicle of the race to find the "missing links" between humans and apes transports readers into the highly competitive world of fossil hunting and into the lives of the ambitious scientists intent on pinpointing the dawn of humankind. The quest to find where and when the earliest human ancestors first appeared is one of the most exciting and challenging of all scientific pursuits.

Meriwether Lewis discovered far more than the history books tell - ancient civilizations, strange monuments, "nearly white, blue-eyed" Indians, and evidence that the American continent was visited long before the first European settlers arrived. And he was murdered to keep it all secret. Examining the shadows and cracks between America's official version of history, Xaviant Haze and Paul Schrag propose that the America of old taught in schools is not the America that was discovered by Lewis and Clark and other early explorers.

In Born in Africa, Martin Meredith follows the trail of discoveries about human origins made by scientists over the last hundred years, recounting their intense rivalry, personal feuds, and fierce controversies, as well as their feats of skill and endurance. The results have been momentous. Scientists have identified more than 20 species of extinct humans. They have firmly established Africa as the birthplace not only of humankind but also of modern humans.

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.

Indiana Jones meets The Da Vinci Code in an old Egyptian synagogue - the amazing story of one of the most important discoveries in modern religious scholarship. In 1897, Rabbi Solomon Schechter of Cambridge University stepped into the attic of the Ben Ezra Synagogue in Cairo, Egypt, and there found the largest treasure trove of medieval and early manuscripts ever discovered.

In 1856 Paul Du Chaillu marched into the equatorial wilderness of West Africa determined to bag an animal that, according to legend, was nothing short of a monster. When he emerged three years later, the summation of his efforts only hinted at what he'd experienced in one of the most dangerous regions on earth. Armed with an astonishing collection of zoological specimens, Du Chaillu leapt from the physical challenges of the jungle straight into the center of the biggest issues of the time.

Why didn't the Chinese discover America? Why were people so slow to learn the earth goes around the sun? How and why did we begin to think of "species" of plants and animals? How, when, and why did people begin digging in the earth to learn about the past? How did the study of economics begin? These are but a few of the fascinating questions answered by Dr. Boorstin, Librarian of Congress Emeritus.

The compelling story of the effect of Charles Darwin's book On the Origin of Species on a diverse group of American writers, abolitionists, and social reformers, including Henry David Thoreau and Bronson Alcott, in 1860.

In The Invisible History of the Human Race, Christine Kenneally draws on cutting-edge research to reveal how both historical artifacts and DNA tell us where we come from and where we may be going. While some books explore our genetic inheritance and some popular television shows celebrate ancestry, this is the first book to explore how everything from DNA to emotions to names and the stories that form our lives are all part of our human legacy.

Stunning new archaeological discoveries in North America together with new genetic evidence have launched a revolution in our understanding of the remote past of our species and of the origins of civilization. Graham Hancock, the internationally best-selling author has been overwhelmingly vindicated by recent discoveries. America Before: The Key to Earth's Lost Civilization is a mind-dilating exploration of the mystery of ancient civilizations, amazing archaeological discoveries, and profound implications for how we lead our lives today.

A preeminent geneticist hunts the Neanderthal genome to answer the biggest question of them all: what does it mean to be human? What can we learn from the genes of our closest evolutionary relatives? Neanderthal Man tells the story of geneticist Svante Pbo’s mission to answer that question, beginning with the study of DNA in Egyptian mummies in the early 1980s and culminating in his sequencing of the Neanderthal genome in 2009.

In 1904 Ota Benga, a young Congolese "pygmy" - a person of petite stature - arrived from central Africa and was featured in an anthropology exhibit at the St. Louis World's Fair. Two years later the New York Zoological Gardens displayed him in its Monkey House, caging the slight 103-pound, 4-foot 11-inch tall man with an orangutan. The attraction became an international sensation, drawing thousands of New Yorkers and commanding headlines across the nation and in Europe.

Brimming with enthralling details and personalities, Toby Lester's The Fourth Part of the World spotlights Martin Waldseemüller's 1507 world map and recounts the epic tale of the mariners and scholars who facilitated this watershed of Western history.

Number-one New York Times best-selling author Dava Sobel returns with the captivating, little-known true story of a group of women whose remarkable contributions to the burgeoning field of astronomy forever changed our understanding of the stars and our place in the universe.