A huge crab and a giant scorpion, ancient foes intent on battle, and woe betide anything or anyone who gets in their way.

The Auld Mither, a crone-like hag with razor sharp bones for fingers, is killing off the proponents of a new abattoir in a deer farming community. And Dave Duncan seems to be next on the list. Can he figure out how to stop her? Or will he have to pay for the sins of his father?

Hell lies under the Texas-Mexico Border. When the Acuña Cartel tunnels under the Rio Grande and into the United States, they tap into a vast cavern that’s home to a species that was once thought mythical. The massacre that ensues leaves 12 men dead and brings tunnel construction to a standstill. Losing money by the hour, the cartel pulls Captain Jarrett Taylor out of retirement to lead a band of mercenaries under the Earth to eliminate an animal more savage than any human force they’ve ever faced. The mission quickly goes bad and plunges the team into a desperate battle for survival.

Andy Lorenzo has no family, few friends, and poor social skills and drinks and gambles far too much. But in a time when demons are becoming increasingly more brazen and powerful, he has one skill that makes demons cower in fear from him - he is the greatest exorcist the world has ever known.

Undoubtedly, you have heard the rumors and conspiracies. You've probably heard of the BIA's involvement and potentially recognize the name Mozaq. But, until now, there has been no investigation or publications regarding these events.

A formidable alien armada stands on the brink of vanquishing the cosmos, their gaze set firmly on every inhabited world. The last line of defense? An eclectic crew of improbable champions: a maverick starfighter pilot, a daredevil stuntwoman, a lethal super-assassin, and a cosmic prankster with alien tricks up his sleeves. Their mission is to shield not just humanity, but billions of other intelligent lifeforms spanning the multiverse.

A secret buried in the Antarctic. A puzzle unsolved for thousands of years. And a Brooklyn-born master gunnery sergeant who's royally pissed that he has to babysit the researchers sent to figure it all out. But when Patrick "Wic" Finnegan finally sees what the team has uncovered, he can't believe his eyes, nor is he prepared for the violence to come. Soon, the portal opens and unleashes a storm of unbridled fury upon humanity.

Dieter Webber, a former Jump Armor pilot, lost his war. Years later as a broken ex-pat, half a galaxy away, the former combat pilot is haunted by the ghosts of the war and looming debts to organized crime. An encounter with an Android, Reis, serves as an invitation from his former commander to a reluctant escape: Mercenary work in her company, Valkyrie LLC.

When half of mankind revolts and demands more opportunity, those at the top decide on a compromise: They will build the first colony ships and allow the rest to discover new worlds and start over. Twelve ships are built. The first is called the Orion. Many are eager to go, but only 100,000 are chosen for each vessel. Far from Earth, a new life awaits, and it promises the prosperity they've always wanted. But still, resistance stirs.

While training for a manned mission to Mars, Dr. Sophie Winston and her team of scientists find themselves cut off from the rest of the world. Trapped inside a biosphere deep within the confines of Cheyenne Mountain, Sophie and crew discover they are the survivors of a brutal alien invasion. But as they struggle to stay alive, they realize their safe haven is far from safe and that they must team up with other survivors around the world to defeat the aliens before it’s too late for humanity and the Earth.

NASA finally made it. The very first human has just set foot on the surface of our neighbor planet. This is the start of a long research expedition that sent four scientists into space. But the four astronauts of the NASA crew are not the only ones with this destination. The privately financed "Mars for Everyone" initiative has also targeted the Red Planet. Twenty men and women have been selected to live there and establish the first extraterrestrial settlement.

Alyssa Farshot has spent her whole life trying to outrun her family legacy, even leaving behind the Kingship and her uncle, the emperor, for a life of exploring. But when her dying uncle announces a crownchase - a search for the royal seal hidden in the empire that will determine the next ruler - Alyssa is thrust into her greatest, most dangerous adventure yet.

At 22, Commander Ellen Ryu is a little young to be "retired". Ellen seized the chance for freedom when a shadowy organization offered her a ship of her own and an elite, all-female crew. She's got a new mission now: get revenge on the scientist who almost destroyed her...cyborg mercenary Kael Sidassian gets stuck with a mission he can't refuse...he’s also got damaged hardware in his head and a plan to escape from the barbaric merc company that forcibly conscripted him over a decade ago... if they aren't audacious enough to work together, they'll never survive what's coming for them.

When petty criminal Cal Carver is locked in a cell with a deranged, semi-naked cannibal, he suspects his life has hit its lowest point. He is mistaken. Abducted by aliens and whisked across the galaxy, Cal is thrown into a team of misfits and criminals and sent on a top secret mission for the president of Space. And that's when everything starts to go very, very wrong....

Once, a girl called Ace travelled the universe with the Doctor - until, in the wake of a terrible tragedy they parted company. Now, decades on, she is known as Dorothy McShane, the reclusive millionaire philanthropist who heads the global organisation A Charitable Earth. But Dorothy is being haunted by terrible nightmares in which she’s abducted to an alien world. Nightmares that begin just as scores of young runaways are vanishing from the dark alleyways of London.