Ryland Grace is the sole survivor on a desperate, last-chance mission - and if he fails, humanity and the Earth itself will perish. Except that right now, he doesn't know that. He can't even remember his own name, let alone the nature of his assignment or how to complete it. All he knows is that he's been asleep for a very, very long time. And he's just been awakened to find himself millions of miles from home, with nothing but two corpses for company.

Six days ago, astronaut Mark Watney became one of the first people to walk on Mars. Now, he's sure he'll be the first person to die there. After a dust storm nearly kills him and forces his crew to evacuate while thinking him dead, Mark finds himself stranded and completely alone with no way to even signal Earth that he’s alive - and even if he could get word out, his supplies would be gone long before a rescue could arrive. But Mark isn't ready to give up yet.

A catastrophic event renders the earth a ticking time bomb. In a feverish race against the inevitable, nations around the globe band together to devise an ambitious plan to ensure the survival of humanity far beyond our atmosphere, in outer space.

Jazz Bashara is a criminal. Well, sort of. Life on Artemis, the first and only city on the moon, is tough if you're not a rich tourist or an eccentric billionaire. So smuggling in the occasional harmless bit of contraband barely counts, right? Not when you've got debts to pay and your job as a porter barely covers the rent. Everything changes when Jazz sees the chance to commit the perfect crime, with a reward too lucrative to turn down.

With the help of a powerful computer system, Alison Shaw and her team are preparing to translate the first two-way conversation with the planet's second smartest species. But the team discovers much more from their dolphins than they ever expected when a secret object is revealed on the ocean floor. One that was never supposed to be found.

Just why do humpback whales sing? That's the question that has marine behavioral biologist Nate Quinn and his crew poking, charting, recording, and photographing very big, wet, gray marine mammals - until the extraordinary day when a whale lifts its tail into the air to display a cryptic message spelled out in foot-high letters: Bite Me.

Academy graduate Natalya Regyri stood first in line for her pick of engineering officer jobs, until, at the graduation party, a classmate turned up dead. Now, betrayed by her friends and framed for murder, she must flee beyond the reach of the Confederation...and any semblance of civilized society. With a damaged second-hand ship and TIC interceptors dogging her step, she nets a smuggling contract that might just get her back on her feet and in control of her destiny. But only if she's willing to make an ore run back to the place she's wanted for murder.

Ana Dakkar is a freshman at Harding-Pencroft Academy, a five-year high school that graduates the best marine scientists, naval warriors, navigators, and underwater explorers in the world. Ana's parents died while on a scientific expedition two years ago, and the only family's she's got left is her older brother, Dev, also a student at HP. Ana's freshman year culminates with the class' weekend trial at sea, the details of which have been kept secret. She only hopes she has what it'll take to succeed.

The galaxy has chewed up the Reynolds and spit it out. The search is on for the raw materials to make the parts they need to fix the ship. Who can stand up to the superdreadnought in a no-name galaxy at the edge of the universe? It’s looking grim for a group hug, leaving the captain and crew with the choice of fight, flight, or diplomacy.

When you are old enough to finally become an Earth Mars citizen, everything should be perfect. Right? Not for Liam Hoffen. He's stuck on a mining asteroid called Colony 40, helping his father work a claim that is never going to pay out. His best friend, Nick James is set for life in James' Rental business and Liam just discovered that the girl he's known forever thinks he's pretty great and now she's leaving for the Mars Naval Academy.

It's a long way from the hills of East Tennessee to the arid islands of the Dutch Caribbean. From the author of the best-selling Deep Series, Boone is a brand-new prequel that follows Boone Fischer in his early years. His passions, his challenges, and the fascinating people he meets along the way... all are parts of the journey that will shape the man he will become, and lead him to the life of a divemaster in Curaçao and Bonaire.

In 1521, the Aztec treasure, considered to be the greatest ever assembled, vanished from the capitol city of Tenochtitlan. Almost five centuries later, former Navy SEAL Logan Dodge finds a mysterious gold coin off of a secret ledge in the Florida Keys. When he learns the origin of the coin, he goes on a mission to find and secure the treasure for the people of Mexico. But he’s not the only one who’s caught the scent of gold. A notorious Mexican drug cartel known as Black Venom is right on his heels and will stop at nothing to take the treasure for themselves.

Aliens exist...and, as it turns out, most of them are fairly harmless. It's the humans you need to watch out for. Priya Radcliffe wasn't even born yet when the first set of terrorists struck. She was 17 when they struck again, but this time her parents paid the ultimate price. That was seven years ago, and since then, the United Nations finally agreed to field its first spaceborne military. Serving aboard one of the first true starships had been a dream of hers. All of her years of education and training had been geared for entering the service.

A stranded diver. A fearless heroine. A daring rescue. In the midst of a terrible storm, treasure hunter Jonty Gladstone races rising waters. But a powerful draw brings him deep within a series of flooded caves, leaving him trapped. Courageous divemaster AJ Bailey could be his only hope — but the clock is ticking… Can she save Jonty before he’s claimed by a watery grave? Cavern of the Lost Souls is the exciting prequel novella to the adventurous world of AJ Bailey. Dive into this best-selling series set in the beautiful Cayman Islands.

Nic Haydock, “Nac” to his friends, because, as they said, saying he had a knack for fixing and improving mechanical devices was the understatement of all time. After spending 10 years on Titan where he went through rehab and attended college, he was now returning home to Conclave Station. Reuniting with his lifelong friends - Mal, a computer genius, and Jazz, a natural-born pilot, he started a mining and shipping business. However, while repairing their rock-tug, they stumbled upon a way to control artificial gravity, creating a gravitational force field.