For months, astronomers have predicted the moon will turn purple when the earth passes through the tail of a comet. But no one has predicted the comet will bring germs that attack human hormones. Older teens and adults die within hours of exposure. On a small island off the coast of Maine, Abby Leigh, 13, has to help her brother and sister survive in this new world, but all the while she has a ticking time bomb inside her - adolescence.

More than 24 hours of Druids, dragons, demigods, and danger fill this modern Arthurian epic omnibus set! Legacies are forged through sacrifice.

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.

Deep into the coldest, Midwest winter on record, an electromagnetic pulse has taken out the nation’s power grid, plunging St. Louis into frigid darkness. Can ordinary people survive the apocalypse? Pre-med student Raine Caldwell is about to find out. The government isn’t coming to rescue her. If Raine and her group are going to make it, they must save themselves. After finding themselves in a community terrorized by ruthless and dangerous people, Raine and the others in her group must pull together to find justice, when one of their own is taken.

They infect the strong and healthy to use as hosts, leaving the rest of the human population to rot. Forced to drop out of school to support the family farm, Sheldon struggles to find anything positive to focus on his life—especially his drifting parents and social life. But when the ruthless aliens make their terrifying selections and the town is now under siege, Sheldon must focus on an escape plan. Desperate, and on the run, he assembles an unexpected group of friends, hoping to find answers—hoping to find help.

While he sat back and watched the United States rattle swords with Korea, play chicken with Russia, and strong-arm China, he felt sure if the lights went out that he and his family would be ready and safe—whether it was due to a natural disaster or a man-made event. They had everything they needed at their homestead.

For Megan Wolford, life as she knew it came to an end after the world was decimated by an EMP. Now, she does her best to survive and protect her daughter, Caitlin. But when the young girl falls ill with a mysterious virus, Meghan must leave the safety of their home and embark on a dangerous journey to forage for medical supplies.

Half of the earth's population has been wiped out. Impossible to predict or stop, the Gamma Ray Burst tore through the Earth like a bullet, its radiation wave killing hundreds of millions, and the after effects ensuring the deaths of billions more.

Two sisters, one nightmare. The last thing they wanted to do was spend time with each other. Now, their very survival depends on it. Forced from their home and thrown into an apocalyptic horror neither could have imagined, they didn’t think things could get any worse. They were wrong. As they navigate the city to escape to safety, terror lurks for them on every corner. The reanimating virus has taken away everything they loved, but today, they’re going to start fighting back.

Bill Steele is in the trenches, trying to survive in the competitive world of luxury vacation resorts on the island of Kauai. Then a dark shadow falls over the island. It’s not a lunar eclipse, because Bill can clearly see the crescent moon shimmering on the water. This is something else. Moments later, the meteors begin to fall. One of them lands in the water just beyond the resort. On the news, the anchorman is fleeing from his hillside vantage point with his cameraman in hot pursuit. Their muffled screams are the last thing anyone hears before the signal is lost....

America has fallen to a catastrophic stealth attack and a ground invasion of the continental United States has begun. Sacramento teenager, Jack Monaghan, has just buried his parents and needs to work out what to do. Trouble is, his older sister has locked herself in her room and won't eat, drink or talk to him—let alone sit down and plan what they'll do to survive.

It all starts with a single dead person coming back to life. Within three days, the undead have taken over most of town. Despite heroic efforts and swift initiatives from the government, disaster keeps spiraling. Soon, the infection reaches the nation's borders, threatening to become a worldwide pandemic.

Jamestown promises to be a history lover’s dream, a reality series featuring 15 contestants who will spend six months living in 17th century conditions, their ability to adapt and overcome daily hardship judged by millions of TV viewers. Supplies will be replenished, and a medical officer will be on hand to ensure everyone’s well-being. Lucrative cash prizes will be awarded at the end.

A volcanic eruption on the other side of the globe is the beginning of the end of the world. Oblivious to the changes were Ron Ash and his small Texas town. Then a dam brakes and washes away nearly everything and everyone they knew, including Ron’s wife.

Stuck in Boston at a technology conference with his wife and children at their cabin in Tennessee, Jake Walton becomes trapped as multiple category five hurricanes devastate the east coast. As the situation worsens and an unknown foe begins to target key infrastructure points across the country, he will risk everything to get back to his family.

In this fast-paced survival story set in Hawaii, electronics fail worldwide, the islands become completely isolated, and a strange starscape fills the sky. Leilani and her father embark on a nightmare odyssey from Oahu to their home on the Big Island. Leilani's epilepsy holds a clue to the disaster, if only they can survive as the islands revert to earlier ways.

Summer 1977. The Blyton Summer Detective Club (of Blyton Hills, a small mining town in Oregon's Zoinx River Valley) solved their final mystery and unmasked the elusive Sleepy Lake monster - another low-life fortune hunter trying to get his dirty hands on the legendary riches hidden in Deboën Mansion. And he would have gotten away with it, too, if it weren't for those meddling kids.

Halcyon is the answer for all Americans who want to escape, but paradise isn't what it seems. A beautiful island in the middle of Lake Ontario - a self-sustaining community made up of people who want to live without fear, crime, or greed. Halcyon is run by Valerie Kemp, aka Mother Moon, benevolent and altruistic on the outside, but hiding an unimaginable darkness inside. She has dedicated her life to the pursuit of Glam Moon, a place of eternal beauty and healing. And she believes the pathway there can only be found at the end of pleasure.

January 29, 2035. That's the day the comet is scheduled to hit - the big one. Denise and her mother and sister, Iris, have been assigned to a temporary shelter outside their hometown of Amsterdam to wait out the blast, but Iris is nowhere to be found, and at the rate Denise's drug-addicted mother is going, they'll never reach the shelter in time. A last-minute meeting leads them to something better than a temporary shelter - a generation ship scheduled to leave Earth behind to colonize new worlds after the comet hits.

Harrison Harrison - H2 to his mom - is a lonely teenager who's been terrified of the water ever since he was a toddler in California, when a huge sea creature capsized their boat, and his father vanished. One of the "sensitives" who are attuned to the supernatural world, Harrison, along with his mother, has just moved to the worst possible place for a boy like him.

A seemingly random murder alerts scientist Dan Clifford to a global conspiracy that stretches from the halls of Washington to the Honduran coast. Illegal undersea activities have unwittingly uncovered a primordial secret that is wreaking havoc on aquatic life and the local human population. When the CDC and the full resources of a US "threat interdiction" team fails to uncover the source of the devastation, Dan and a brilliant marine biologist, Rachel Sullivan, must race to unravel an unimaginable, ancient mystery in the murky depths.

Photojournalist Cache Calder lives to chase a great story. He's just returned from the Middle East after surviving a suicide bombing that left him injured and grief-stricken. The last thing he wants is to travel to the wilds of Alaska on a "Where Is She Now" Assignment. But when his editor informs him that his subject is former kidnapping victim, Amelia Bennett who jump-started his career 20 years earlier, he packs his bags.

Ben McKelvie believes he's moving up in the world when he and his fiancée buy a house in the cushy Washington, DC, suburb of Barcroft. Instead he's moving down - way down - thanks to Madeleine Roux, the crazy neighbor whose vermin-infested property is a permanent eyesore and looming hazard to public health. First Ben's fiancée leaves him; then his dog dies, apparently killed by a predator drawn into Barcroft by Madeleine's noxious menagerie. But the worst is yet to come for Ben.

In the blink of an eye, everyone disappears. Gone. Except for the young. There are teens, but not one single adult. Just as suddenly, there are no phones, no Internet, no television. No way to get help. And no way to figure out what's happened. Hunger threatens. Bullies rule. A sinister creature lurks. Animals are mutating. And the teens themselves are changing, developing new talents - unimaginable, dangerous, deadly powers - that grow stronger by the day. It's a terrifying new world.

Since she bought her rambling fixer-upper of a house, Jacobia Tiptree has gotten used to finding things broken. But her latest problem isn't so easily repaired. Along with the rotting floor joists and sagging support beams, there's the little matter of the dead man in Jake's storeroom, an ice pick planted firmly in his cranium. Jake's unknown guest turns out to be local boy turned billionaire Threnody McIlwaine.

Books 1-3 and the prequel novella of the Breakers series.

With the defeat of the Overtakers behind them, the five teenagers known as the Kingdom Keepers should be celebrating. By all accounts they saved Disneyland from certain destruction. Why then did their mentor leave one last puzzle for them to decipher? The Keepers must solve a puzzle of the past, or be crushed under an evil that makes the Overtakers seem like gentle souls.

One woman's story as she blogs about - and fights back against - the zombie apocalypse.

Allison Hewitt and her five colleagues at the Brooks and Peabody Bookstore are trapped together when the zombie outbreak hits. Allison reaches out for help through her blog, writing on her laptop. It may also be her only chance to reach her mother. But as the reality of their situation sinks in, Allison's blog becomes a harrowing account of her edge-of-the-seat adventures.

As assistant to Mangkon’s most celebrated mapmaker, twelve-year-old Sai plays the part of a well-bred young lady with a glittering future. In reality, her father is a conman—and in a kingdom where the status of one’s ancestors dictates their social position, the truth could ruin her. Sai seizes the chance to join an expedition to chart the southern seas, but she isn’t the only one aboard with secrets. When Sai learns that the ship might be heading for the fabled Sunderlands—a land of dragons, dangers, and riches beyond imagining—she must weigh the cost of her dreams.

Maisie Danger Brown just wanted to get away from home for a bit and see something new. She never intended to fall in love with a boy at space camp. And she certainly never intended to stumble into a frightening plot that just might destroy everything and everyone she cares about. But now there's no going back - Maisie's the only thing standing between danger and annihilation. She must become the hero the world needs before she loses her heart... and her life.