From USA Today best-seller Robert Armstrong comes the fast-paced sci-fi series Echo Effect. Get the first two titles from the series in this audiobook: Echo Effect and Symphony of Descension.

Space travel just isn't what it used to be. With the invention of quantum teleportation, space heroes aren't needed anymore. When one particularly unlucky ex-adventurer masquerades as famous pilot and hate figure Jacques McKeown, he's sucked into an ever-deepening corporate and political intrigue. Between space pirates, adorable deadly creatures, and a missing fortune in royalties, saving the universe was never this difficult!

Particle physicist Jon Grady is ecstatic when his team achieves what they've been working toward for years: A device that can reflect gravity. Their research will revolutionize the field of physics - the crowning achievement of a career. Grady expects widespread acclaim for his entire team. The Nobel Prize. Instead, his lab is locked down by a shadowy organization whose mission is to prevent at all costs the social upheaval sudden technological advances bring.

Having saved humanity from an invading alien armada, Ian Lotus finds himself not rewarded but once again on the run -- struggling to stay one step ahead of a galactic government intent on his capture.

Five years ago, the US Space Force became a reality. And while those writing the checks took things very seriously, the other military branches did not. As a result, Space Force was populated by undesirables. My name is Captain Ethan Stone, a decorated member of SEAL Team Six turned Space Force "recruit". Flash forward five years and between tenses. President West is in office. Power has shifted. And Space Force is defunded. With just a handful of us still living on base, we find ourselves being evicted. But before all of us can leave, aliens invade.

Jake Melkins is a few months away from turning 21. By the Seceltor Empire's laws, he will have to go to a breeding camp, or directly into slavery. Neither choice appeals to him. All this changes with the arrival of a space-and-time-traveling being known as Evaran at the space-station-turned-rest-stop that Jake lives on.

Living in the Los Angeles wasteland can be tough - especially when you’re just some dude whose only real skill is computer hacking. So, Artie Gonzalez spends most of his days building drones, modifying his bipolar robot girlfriend, and scavenging for his next pair of Chuck Taylors. Artie watched the world end 10 years ago. Now planet Earth is a dump and Artie has finally accepted that fact, doing what any other respectable tech-nerd might do in his situation - build a post-apocalyptic man-cave. But the world is much different than he thinks.

You know we have been betrayed. You must discover why. They have put a plan in motion. They have infiltrated your government. They have already turned some of you. They will do whatever it takes to have your planet. The battle lines have been drawn. Whose side are you on?

Get the first three books in the Kid Sensation series. Like millions of other kids, Jim grew up wanting to be a superhero. Unlike most of his contemporaries, however, Jim actually had the goods: a plethora of super powers that would have been the envy of any meta on the planet. But when his tryout with the Alpha League - the world's premiere group of supers - goes disastrously wrong, Jim basically becomes an outcast.

I write software at a San Francisco startup. I have my dream job, but I also have a secret. We are not alone. The last time I was taken I was 14. Three weeks ago I celebrated my 21st birthday, and I know that the grey men will soon come again. I devoted my life to technology so I'd be ready when they returned. Others have prepared too, and I will find them. Together we will harness the abilities they have given us. We are Project Solaris. It's time to fight back.

Sam Smith, the biggest superhero fanboy ever, was excited to get super powers...until his first evening as a crime fighter meant dealing with the villain Exosuit. Then Sam died. It was a heroic death, but still not how Sam imagined things going. To his surprise, Sam wakes as a "Villain Core” - the AI behind superhero training centers. He’s quickly informed that an equal number of superheroes and supervillains will be created for an intergalactic competition over the control of Earth, and Sam must prepare his side - the superheroes - for this grand war.

They said I would never finish flight school. Never rank at the top of my class. Never fly with the top aces. Never return from combat against the Kelton androids. Never survive emergency surgery. Here I am. The year is 2151. Earth is gone. A hellscape. I've been unfrozen after 72 years of cryosleep on a medical facility on Saturn's moon, Titan. I have nothing - no home, no friends, no concept of this new world, these Titans. All that remains is the old conflict that has blackened my veins and memories of the ones I loved still fresh in my heart. Forgotten for decades.

The world had become used to the metahumans - people sometimes perfectly ordinary, but sometimes quite extraordinary in appearance - who mostly worked with their governments as high-powered peace officers, fighting crime, and sometimes fighting rogue metahumans who had become super-criminals. Then that comfortable world ended in just one terrifying day.

A survey crew of the human starship Geoffrey Laird lands on a small, unexplored planet quaintly named Fleece as part of a standard scientific mission. The planet looks benign, but a small mix-up with "hostile life-forms" has the three surviving members of the team on the run. Drik, Max, and Laree seek shelter in a small cave, completely cut off from their ship and communications. But it turns out the cave is anything but small.

It's the mid-21st century. The oceans are rising, the world's population is growing, terrorist organizations are running rampant, and it has become readily apparent that humanity's destructive nature is at the heart of the matter. When all faith in humanity seems lost, a startling proposal is announced: Solomon Chavez, the mysterious son of the world's first trillionaire, announces that he, backed by a consortium of governments and wealthy donors, will build an interstellar starship.

Before he was Oldtimer, he was Craig Emilson, a young doctor,sucked into military service at the outbreak of World War III. Enlisting to become a Special Forces suborbital paratrooper, Craig is selected to take part in the most important mission in American military history, a sortie into enemy territory to eliminate the world's first strong artificial intelligence.

There is more in our world than you know. Deep in the darkness of a government building, one man needs to find the perfect solution to a vampire’s request that the government satisfy the debt of honor owed him. If he falls short, the failure will be paid in the blood of the military. He needs three uniquely qualified individuals. He can find only one. One woman, dying, might be the ace-in-the-hole he needs to appease the Vampire. But then, she might also be the one person needed to save humanity. If she is accepted, will she willingly change?

They tried to destroy our planets. Our way of life. They tried to send us into extinction. But we, the Coalition, fought them and won. That was a decade ago. They’re known as the Host: a cabal of aliens seeking to dominate our sector of space. And they’re back - with help from a powerful new enemy. We’re outnumbered and unprepared. But there is hope. An ancient race of long-dead but technologically advanced aliens called the Navigators have a ship called the Blackstar that could potentially turn the tide. That is if I, Kai Locke, a humble ship racer, can find it and learn how to harness its power in time.

The world had become used to the metahumans - people sometimes perfectly ordinary, but sometimes quite extraordinary in appearance - who mostly worked with their governments as high-powered peace officers, fighting crime, and sometimes fighting rogue metahumans who had become super-criminals. Then that comfortable world ended in just one terrifying day.

When 12 magical superpowers are unleashed on the world, an Asian-American teenager named Steven is thrown into the middle of an epic global chase. He'll have to master strange powers, outrun super-powered mercenaries, and ultimately unlock the hidden secrets of the Zodiac Legacy.

Carson Mach, a former war hero turned freelancer, seeks the biggest payday of his life when he's tasked to hunt down a ghost ship that has echoed through the centuries. The legendary Atlantis ship has become a reality, appearing at the Commonwealth frontier and obliterating an orbital station.

Imprisoned for a murder he didn't commit, Kaiden's only hope of early release is in serving as a Warden in the game-world of Nova Online. Playing as a unique class while surrounded by aliens, pirates and warring guilds, he and his squad are tasked with protecting new players and enforcing the rule of law. But Kaiden has other ideas; he is intent on proving his innocence. The keys to his freedom lie hidden in the game's seedy underbelly. And as he'll soon discover, the bloody trail that led to his arrest is more twisted than he could have ever imagined.

Kane Andrews is just another one of the billions of people on Earth who watch as Richter, the world's first superhuman, goes on a rampage. All the world's military cannot stop him, no matter what they throw his way. Until, with the whole world watching, Kane surprises himself by flying up to catch someone the supervillain has thrown off a building. With no idea of the extent or magnitude of his powers, Kane has a long way to go before becoming the first superhero.

They reach the shore, barks and joyful laughter swallowed by the crashing waves. Suddenly, an odd-looking object in the sky draws closer. As dark clouds loom, a flicker of unease crosses Scotty’s face. Before he can react, an eerie glow surrounds both boy and dog. In an instant, they vanish without a trace. Now aboard an alien ship, Scotty faces a reality far from home. The walls breathe, the corridors pulse and his fear deepens.

Kalian Gaines has a secret; he just doesn't know it yet. He looks like us, he lives like us...but he is not one of us. Kalian knows nothing outside of his mundane life teaching history on 30th-century Earth, until a day like any other triggers a series of events that will tie his fate to that of humanity. A human handprint, embedded into a rock with alien script, is discovered on a moon that mankind has never set foot on. This discovery holds a secret, which will sweep Kalian into the heart of a conspiracy that has corrupted the galaxy for 200,000 years.

In the summer of 1947, an unidentified object crashed in Roswell, New Mexico. There were no survivors. Now it's happened again. But this time, two creatures have emerged from the wreckage alive.

The year is 1939. A secret society of extraordinary geniuses is about to share an incredible discovery with the world. A misguided enemy - half man, half machine - will stop at nothing to prevent the group from giving this forbidden knowledge to humanity. And a mother and son on vacation in New York City are handed a comic book infused with a secret code that will lead them straight into the crossfires of the conspiracy.

Get the first three books in the Kid Sensation series. Like millions of other kids, Jim grew up wanting to be a superhero. Unlike most of his contemporaries, however, Jim actually had the goods: a plethora of super powers that would have been the envy of any meta on the planet. But when his tryout with the Alpha League - the world's premiere group of supers - goes disastrously wrong, Jim basically becomes an outcast.

Convicted criminal James Griffin-Mars is no one's hero. In his time, Earth is a toxic, abandoned world, and humans have fled into the outer solar system to survive, eking out a fragile, doomed existence among the other planets and their moons. Those responsible for delaying humanity's demise believe time travel holds the key, and they have identified James, troubled though he is, as one of a select and expendable few ideally suited for the most dangerous job in history.

Jake Melkins is a few months away from turning 21. By the Seceltor Empire's laws, he will have to go to a breeding camp, or directly into slavery. Neither choice appeals to him. All this changes with the arrival of a space-and-time-traveling being known as Evaran at the space-station-turned-rest-stop that Jake lives on.