The Demon-Haunted World: Science as a Candle in the Dark

Pale Blue Dot: A Vision of the Human Future in Space

• UNABRIDGED (13 hrs and 18 mins)
• By Carl Sagan
• Narrated By Carl Sagan, Ann Druyan

In Cosmos, the late astronomer Carl Sagan cast his gaze over the magnificent mystery of the Universe and made it accessible to millions of people around the world. Now in this stunning sequel, Carl Sagan completes his revolutionary journey through space and time.

Cosmos

• UNABRIDGED (14 hrs and 31 mins)
• By Carl Sagan
• Narrated By LeVar Burton, Seth MacFarlane, Neil deGrasse Tyson, and others

Cosmos is one of the best-selling science books of all time. In clear-eyed prose, Sagan reveals a jewel-like blue world inhabited by a life form that is just beginning to discover its own identity and to venture into the vast ocean of space.

Shadows of Forgotten Ancestors

• UNABRIDGED (15 hrs)
• By Carl Sagan, Ann Druyan
• Narrated By Nick Sagan

World renowned scientist Carl Sagan and acclaimed author Ann Druyan have written a Roots for the human species, a lucid and riveting account of how humans got to be the way we are. It shows with humor and drama that many of our key traits - self-awareness, technology, family ties, submission to authority, hatred for those a little different from ourselves, reason, and ethics - are rooted in the deep past, and illuminated by our kinship with other animals.

The Dragons of Eden: Speculations on the Evolution of Human Intelligence

• UNABRIDGED (6 hrs)
• By Carl Sagan
• Narrated By JD Jackson

Dr. Carl Sagan takes us on a great adventure, offering his vivid and startling insight into the brain of man and beast, the origin of human intelligence, the function of our most haunting legends - and their amazing links to recent discoveries.

Broca's Brain: Reflections on the Romance of Science

• UNABRIDGED (12 hrs and 16 mins)
• By Carl Sagan
• Narrated By Dion Graham

Carl Sagan, writer and scientist, returns from the frontier to tell us about how the world works. In his delightfully down-to-earth style, he explores and explains a mind-boggling future of intelligent robots, extraterrestrial life and its consequences, and other provocative, fascinating quandaries of the future that we want to see today.

The Varieties of Scientific Experience: A Personal View of the Search for God

• UNABRIDGED (7 hrs)
• By Carl Sagan, Ann Druyan - editor
• Narrated By Adrienne C. Moore, Ann Druyan

The late great astronomer and astrophysicist describes his personal search to understand the nature of the sacred in the vastness of the cosmos. Exhibiting a breadth of intellect nothing short of astounding, Sagan presents his views on a wide range of topics, including the likelihood of intelligent life on other planets, creationism and so-called intelligent design.

Comet

• UNABRIDGED (12 hrs)
• By Carl Sagan, Ann Druyan
• Narrated By Seth MacFarlane, Bahni Turpin

Comet begins with a breathtaking journey through space astride a comet. Pulitzer Prize-winning astronomer Carl Sagan, author of Cosmos and Contact, and writer Ann Druyan explore the origin, nature, and future of comets, and the exotic myths and portents attached to them. The authors show how comets have spurred some of the great discoveries in the history of science and raise intriguing questions about these brilliant visitors from the interstellar dark.

Were the fates of the dinosaurs and the origins of humans tied to the wanderings of a comet? Are comets the building blocks from which worlds are formed? Comet is an enthralling adventure, indispensable for anyone who has ever gazed up at the heavens and wondered why.

Astrophysics for People in a Hurry

• UNABRIDGED (3 hrs and 41 mins)
• By Neil deGrasse Tyson
• Narrated By Neil deGrasse Tyson
• Whispersync for Voice-ready

What is the nature of space and time? How do we fit within the universe? How does the universe fit within us? There's no better guide through these mind-expanding questions than acclaimed astrophysicist and best-selling author Neil deGrasse Tyson. But today, few of us have time to contemplate the cosmos. So Tyson brings the universe down to Earth succinctly and clearly, with sparkling wit, in digestible chapters consumable anytime and anywhere in your busy day.

Forces of Nature

• UNABRIDGED (7 hrs and 15 mins)
• By Professor Brian Cox, Andrew Cohen
• Narrated By Samuel West
• Whispersync for Voice-ready

Professor Brian Cox uncovers some of the most extraordinary natural events on Earth and in the universe and beyond. From the immensity of the universe and the roundness of Earth to the form of every single snowflake, the forces of nature shape everything we see. Pushed to extremes, the results are astonishing. In seeking to understand the everyday world, the colours, structure, behaviour and history of our home, we develop the knowledge and techniques necessary to step beyond the everyday.

The Greatest Story Ever Told - So Far: Why Are We Here?

• UNABRIDGED (10 hrs and 31 mins)
• By Lawrence M. Krauss
• Narrated By Lawrence Krauss
• Whispersync for Voice-ready

Internationally renowned, award-winning theoretical physicist, New York Times bestselling author of A Universe from Nothing, and passionate advocate for reason, Lawrence Krauss tells the dramatic story of the discovery of the hidden world of reality - a grand poetic vision of nature - and how we find our place within it.

Jesus: Mything in Action, Vol. I: The Complete Heretic's Guide to Western Religion, Book 2

• UNABRIDGED (9 hrs and 19 mins)
• By David Fitzgerald
• Narrated By David Fitzgerald, David Smalley

David Fitzgerald's award-winning 2010 book, Nailed: Ten Christian Myths That Show Jesus Never Existed At All, pointed out the top 10 fatal flaws of Christianity's origin story. Now, Jesus: Mything in Action presents the most compelling new findings in Jesus myth theory, critically examines its controversial reception by biblical scholars and the extent and reliability of our sources for Jesus, and reveals the surprising history behind Jesus' evolution.

Murmurs of Earth: The Voyager Interstellar Record

• UNABRIDGED (4 hrs)
• By Carl Sagan, F. D. Drake, Jon Lomberg, and others
• Narrated By Timothy Ferris, Ann Druyan, Nick Sagan, and others

In 1977, two extraordinary spacecraft called Voyager were launched to the stars. Affixed to each Voyager craft was a gold-coated copped phonograph record as a message to possible extra-terrestrial civilizations that might encounter the spacecraft in some distant space and time.

Contact

• UNABRIDGED (14 hrs and 42 mins)
• By Carl Sagan
• Narrated By Laurel Lefkow

The future is here...in an adventure of cosmic dimension. In December, 1999, a multinational team journeys out to the stars, to the most awesome encounter in human history. Who - or what - is out there? In Cosmos, Carl Sagan explained the universe. In Contact, he predicts its future - and our own.

A Path Where No Man Thought: Nuclear Winter and the End of the Arms Race

• UNABRIDGED (9 hrs)
• By Carl Sagan, Richard Turco
• Narrated By JD Jackson

In 1982, Professors Sagan and Turco made known their discovery of the concept "nuclear winter", a widespread cold and dark, resulting in agricultural collapse and world famine, that would be generated in even a "small" nuclear war. It was a landmark discovery that revealed in the starkest terms how vulnerable our civilization is to the long-term environmental effects of nuclear war.

Everything All at Once: How to Unleash Your Inner Nerd, Tap into Radical Curiosity and Solve Any Problem

• UNABRIDGED (12 hrs and 34 mins)
• By Bill Nye
• Narrated By Bill Nye

Everything All at Once is an exciting, inspiring call to unleash the power of the nerd mindset that exists within us all. Nye believes we'll never be able to tackle our society's biggest, most complex problems if we don't even know how to solve the small ones. Step by step, he shows his listeners the key tools behind his everything-all-at-once approach: radical curiosity, a deep desire for a better future, and a willingness to take the actions needed to make it a reality.

Skeptic: Viewing the World with a Rational Eye

• UNABRIDGED (8 hrs and 30 mins)
• By Michael Shermer
• Narrated By Michael Shermer

From the author's monthly Scientific American columns. An eclectic, inspiring collection exploring a broad range of scientific thought from best-selling author and celebrated skeptic Michael Shermer.

The Believing Brain: From Ghosts and Gods to Politics and Conspiracies - How We Construct Beliefs and Reinforce Them as Truths

• UNABRIDGED (13 hrs and 34 mins)
• By Michael Shermer
• Narrated By Michael Shermer

In this, his magnum opus, the world’s best known skeptic and critical thinker Dr. Michael Shermer—founding publisher of Skeptic magazine and perennial monthly columnist (“Skeptic”) for Scientific American—presents his comprehensive theory on how beliefs are born, formed, nourished, reinforced, challenged, changed, and extinguished.

Unapologetic: Why Philosophy of Religion Must End

• UNABRIDGED (9 hrs and 34 mins)
• By John W. Loftus
• Narrated By Rich Miller

Just as intelligent design is not a legitimate branch of biology in public educational institutions, nor should the philosophy of religion be a legitimate branch of philosophy. So argues acclaimed author John W. Loftus in this forceful takedown of the very discipline in which he was trained. In his call for ending the philosophy of religion, he argues that, as it is presently being practiced, the main reason the discipline exists is to serve the faith claims of Christianity.

Your Deceptive Mind: A Scientific Guide to Critical Thinking Skills

• ORIGINAL (12 hrs and 39 mins)
• By The Great Courses
• Narrated By Professor Steven Novella

No skill is more important in today's world than being able to think about, understand, and act on information in an effective and responsible way. What's more, at no point in human history have we had access to so much information, with such relative ease, as we do in the 21st century. But because misinformation out there has increased as well, critical thinking is more important than ever. These 24 rewarding lectures equip you with the knowledge and techniques you need to become a savvier, sharper critical thinker in your professional and personal life.

The Pleasure of Finding Things Out: The Best Short Works of Richard P. Feynman

• UNABRIDGED (8 hrs and 23 mins)
• By Richard P. Feynman
• Narrated By Sean Runnette
• Whispersync for Voice-ready

The Pleasure of Finding Things Out is a magnificent treasury of the best short works of Richard P. Feynman, from interviews and speeches to lectures and printed articles. A sweeping, wide-ranging collection, it presents an intimate and fascinating view of a life in science - a life like no other. From his ruminations on science in our culture to his Nobel Prize acceptance speech, this book will delight anyone interested in the world of ideas.

On Tyranny: Twenty Lessons from the Twentieth Century

• UNABRIDGED (1 hr and 48 mins)
• By Timothy Snyder
• Narrated By Timothy Snyder
• Whispersync for Voice-ready

The Founding Fathers tried to protect us from the threat they knew, the tyranny that overcame ancient democracy. Today, our political order faces new threats, not unlike the totalitarianism of the 20th century. We are no wiser than the Europeans who saw democracy yield to fascism, Nazism, or communism. Our one advantage is that we might learn from their experience.

Behave: The Biology of Humans at Our Best and Worst

• UNABRIDGED (26 hrs and 26 mins)
• By Robert M. Sapolsky
• Narrated By Michael Goldstrom
• Whispersync for Voice-ready

Why do we do the things we do? More than a decade in the making, this game-changing book is Robert Sapolsky's genre-shattering attempt to answer that question as fully as perhaps only he could, looking at it from every angle. Sapolsky's storytelling concept is delightful, but it also has a powerful intrinsic logic: He starts by looking at the factors that bear on a person's reaction in the precise moment a behavior occurs and then hops back in time from there in stages, ultimately ending up at the deep history of our species and its evolutionary legacy.

The Epigenetics Revolution: How Modern Biology Is Rewriting Our Understanding of Genetics, Disease, and Inheritance

• UNABRIDGED (11 hrs and 16 mins)
• By Nessa Carey
• Narrated By Donna Postel
• Whispersync for Voice-ready

Epigenetics can potentially revolutionize our understanding of the structure and behavior of biological life on Earth. It explains why mapping an organism's genetic code is not enough to determine how it develops or acts and shows how nurture combines with nature to engineer biological diversity. Surveying the 20-year history of the field while also highlighting its latest findings and innovations, this volume provides a readily understandable introduction to the foundations of epigenetics.

Welcome to the Universe: An Astrophysical Tour

• UNABRIDGED (17 hrs and 56 mins)
• By Neil deGrasse Tyson, Michael A. Strauss, J. Richard Gott
• Narrated By Michael Butler Murray
• Whispersync for Voice-ready

Welcome to the Universe is a personal guided tour of the cosmos by three of today's leading astrophysicists. Inspired by the enormously popular introductory astronomy course that Neil deGrasse Tyson, Michael A. Strauss, and J. Richard Gott taught together at Princeton, this book covers it all - from planets, stars, and galaxies to black holes, wormholes, and time travel.