At the end of the world, a groundbreaking scientific experiment will change everything. Dr. Laura Reynolds had it all. A job she loved. The respect of her peers. Student debt she was slowly chipping away at. And one day, it all went away. She saw the wrong thing—a colleague's mistake. And to escape, he framed her. Laura's only option is to join a secretive research project in Antarctica, where she hopes to keep practicing medicine and one day get her life back. But soon after arriving, she realizes that things aren't what they seem in this advanced facility.

After a mysterious global event known only as “The Change”, six strangers wake up in an underground research facility where they learn that they’re part of the Extinction Trials - a scientific experiment to restart the human race. But the Extinction Trials harbors a very big secret. And so does the world outside.

In Antarctica, a research expedition discovers an ancient structure buried deep in the ice. In Indonesia, a genetics researcher identifies a breakthrough treatment for autism. But these two incredible discoveries aren't what they seem. They will set off a race to unravel the deepest secrets of human existence—the true history of human origins. And an event that could change humanity forever.

In Atlanta, Dr. Peyton Shaw is awakened by the phone call she has dreaded for years. As the CDC's leading epidemiologist, she's among the first responders to outbreaks around the world. It's a lonely and dangerous job, but it's her life - and she's good at it. This time she may have met her match. In Kenya, an Ebola-like pathogen has infected two Americans. One lies at death's door. With the clock ticking, Peyton assembles her team and joins personnel from the Kenyan Ministry of Health and the WHO.

The ice is coming. It was the last thing we expected, but the world is freezing. A new ice age has dawned. Billions have fled the glaciers. A cataclysmic war is coming. In orbit, a group of scientists are running the Winter Experiments, a last-ditch attempt to understand why the planet is cooling. None of the climate models they build make sense. But then they discover an anomaly, an unexplained variation in solar radiation...and something else. Close to the burning edge of the sun, they catch a fleeting glimpse of something that shouldn’t be there....

Dr. Sam Anderson is one of the most celebrated scientists in history. Ten years ago, he invented a device that changed the world forever. Now his life is about to be ripped apart—and his own creation may be to blame. One fateful morning, Sam discovers that his girlfriend has been murdered and that his daughter is accused of the crime. Sam believes she's innocent, but he can't prove it. There's only one thing he can do to save his daughter: confess to the crime. And so he does. But in the future, murderers aren't sent to prison. They're sent to the past.

No one has ever ventured deeper into space than the four astronauts of Shepherd-1. The aim of their mission is to witness the creation of the cosmos. Using the sun as a lens, they are to align a flock of probes in such a way that the moment of the Big Bang becomes visible. For astronomer Christine, this is a dream come true. So she is bitterly disappointed when the first images are obscured by a kind of veil that prevents any insight. She works obsessively to find a solution, but when she finally succeeds in lifting the veil, she sees something that would have been better kept hidden...

Silas visits his estranged grandfather's lakehouse in the aftermath of the deadly home invasion. What he discovers hidden below the floorboards triggers a mystery buried since the final trip to the Moon over fifty years earlier. Rory returns to her family home in Vermont to write her second novel, but fate has a different story in mind. Special Agent Waylen Brooks exposes a covert operation linked to the death of a retired astronaut. He soon finds out he's not the only one searching for answers and willing to kill for the truth.

When Micajah Fenton discovers a crater in his front yard with a broken time glider in the bottom and a naked, virtual woman on his lawn, he delays his plans to kill himself. While helping repair the marooned time traveler's glider, Cager realizes it can return him to his past to correct a mistake that had haunted him his entire life. As payment for his help, the virtual creature living in the circuitry of the marooned glider, sends Cager back in time as his 10-year-old self.

Logan West and Emma James grew up together but are now high school seniors going in totally opposite directions after graduation. When they are assigned to work together on one last history project, they hardly expect the monotony of high school life to change. Instead, as they decode a series of unexplained clues hidden within their history project itself, Logan and Emma manage to unfold an ancient mystery that has baffled scientists and archaeologists, one with powerful implications for the present day.

Geophysicist Jack Greer believes he may finally have found the resting place of the meteorite that wiped out the dinosaurs 65 million years ago. A few miles off the Yucatán coast, Jack and a team of scientists tow an aging drilling platform over the impact crater with the aim of securing a sample. But buried deep beneath the earth lies a shocking discovery that threatens to shatter everything we think we know about our species.

In the heart of the South Pacific lies Point Nemo, the most desolate and remote place on Earth. At its core is a dead zone, devoid of life, where government agencies crash their obsolete satellites and space stations, confident they won't harm a soul. When the International Space Station suffers a catastrophic failure and plummets through the atmosphere, it's here that Mission Specialist Julie Rohr, an astrobiologist studying living space dust called xylem, finds herself marooned. Julie's only hope for rescue lies in the hands of her estranged father, Dr. Finn Maddern, a renowned mycologist.

Contains three complete, novel-length audiobooks in the Middle Falls Time Travel series.

The wall just didn’t look right. Alex has been trying to cope. Life after his deployment had been rough. His ex-wife thought he needed to stop disappointing their daughter. She was right. He would try harder. With six hours before his little girl’s fourth birthday party, he saw the anomaly. One wall was too short. Plenty of time to tear out a panel and look behind it. He found a brick wall. His house wasn’t made of brick. Behind that was another just like the first. He still had time. When the second wall came down, Alex stood and stared at the shining doorway.

Can you outrun the past? Can you outlive the future? One time traveler must find out. Accidental time traveler Ben Travers is thrown into a multiverse of adventure in this action-adventure through past and future. This compilation includes: In Times Like These, The Chronothon, The Day After Never, and The Warp Clock. Now you can get them in one volume! All the adventure at a fraction of the price. Start your time travel adventure today, because yesterday may be too late!