David Sewell

When Grace’s husband, Adam, inherits an isolated North Yorkshire cottage, they leave the bustle of London behind to try a new life. A week later, Adam vanishes without a trace, leaving their baby daughter, Millie, in her stroller on the doorstep. The following year, Grace returns to the tiny village on the untamed heath. Everyone - the police, her parents, even her best friend and younger sister - is convinced that Adam left her. But Grace, unable to let go of her memories of their love and life together, cannot accept this explanation.

When Aisling Conroy's boyfriend Jack is found in the freezing black waters of the river Corrib, the police tell her it was suicide. A surgical resident, she throws herself into study and work, trying to forget - until Jack's sister Maude shows up. Maude suspects foul play, and she is determined to prove it. Cormac Reilly is the detective assigned with the re-investigation of a seemingly accidental overdose 20 years ago - the overdose of Jack and Maude's drug-and-alcohol-addled mother. Reilly is under increasing pressure to charge Maude for murder when his colleague Danny uncovers new evidence....

No one knows what to make of the mysterious clicks. To Ajay Joshi, the amateur astronomer who discovered the sounds with his radio telescope, the clicks represent proof of aliens on Callisto, a moon of Jupiter. To Dr. Kiera Walsh, an aerospace engineer introduced to Ajay and his findings, the consistent, repetitive pattern of the clicks points to the possibility of a lost Martian probe caught in Callisto's orbit. She shares this view with her employer, Augustus Amato, and is surprised to learn he disagrees with her, believing the clicks herald something more ominous orbiting Callisto.

When Elizabeth Keane returns to Ireland after her mother’s death, she’s focused only on saying goodbye to that dark and dismal part of her life. Her childhood home is packed solid with useless junk, her mother’s presence already fading. But within this mess, she discovers a small stash of letters — and ultimately, the truth. Forty years earlier, a young woman stumbles from a remote stone house, the night quiet except for the constant wind that encircles her as she hurries deeper into the darkness away from the cliffs and the sea.

After saving the world many times, the Merry Band of Pirates have accepted the inevitable: Earth is doomed. All they can do is try to bring a few thousand people to safety, before vicious aliens arrive to destroy humanity's home world. No. There is one other thing they can do: hit the enemy so hard that the aliens will regret they ever heard of humans.

Mark Hawkins, former park ranger and expert tracker, is out of his element, working onboard the Magellan, a research vessel studying the Great Pacific Garbage Patch. But his work is interrupted when, surrounded by 30 miles of refuse, the ship and its high-tech systems are plagued by a series of strange malfunctions and the crew is battered by a raging storm. When the storm fades and the sun rises, the beaten crew awakens to find themselves anchored in the protective cove of a tropical island...and no one knows how they got there.

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 with other survivors around the world to defeat the aliens before it's too late for humanity, and the Earth.

For Meredith Gale, ending her life seems like her only choice, and that choice is the reason she’s dangling by her fingertips from a bridge high above the freezing water of the San Francisco Bay. But someone or some thing has other plans for Meredith, and as her fingers slip from the cold steel of the bridge, a disembodied voice asks her a simple question: “Candidate 13: Do you wish to be saved?” Realizing her mistake too late, Meredith screams “Yes!” and instantly finds herself transported to a mysterious island, alongside hundreds of other Candidates like her.

The war continues…Two days after the events of Extinction Aftermath, European Unified Command calls on Team Ghost for a top secret mission. The residents of a small Inuit fishing village in Greenland have gone missing and reports of Variants unaffected by Kryptonite have surfaced. Fatigued, injured, and unaware of the events back in the United States, Master Sergeant Joe Fitzpatrick leads Team Ghost into the remote and alien winter landscape to determine the fate of the missing villagers.

After a long, perilous journey, Hell Divers Xavier Rodriguez and Magnolia Katib discover the Metal Islands, a sunny, habitable zone where thousands of people live by fishing and farming. But this "paradise" is really a violent warrior society ruled by the cannibal King el Pulpo. For the first time in X's life, he is forced to lay down his arms and surrender.