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 the invasion has begun. You know we are all that stands in their way. You think we are alone. You will see we have hidden allies. They think they have won. They are wrong. They do not have our power. They do not know the truth. We have a secret weapon.

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.