Science Mysteries

A grand house at war. A quest for revenge. And this time, there’s nowhere to hide. Sophie’s back in Shorten, fighting to protect her family, her friends, and her remarkable dog. But now Sophie has a price on her head that will destroy the Manor and everyone in it. One man’s centuries-old secret could have changed their fate, but he’s gone, murdered. Can a dead man’s whisper still save them?

Charles Forbin has dedicated the last 10 years of his life to the construction of his own supercomputer, Colossus, rejecting romantic and social endeavors in order to create the United States' very first Artificially Intelligent defense system. Colossus is a supercomputer capable of taking in and analyzing data rapidly, allowing it to make real time decisions about the nation's defense.

The United States government is given a warning by the preeminent biophysicists in the country: current sterilization procedures applied to returning space probes may be inadequate to guarantee uncontaminated re-entry to the atmosphere.

Gumshoe Conrad Metcalf has problems - not the least of which are the rabbit in his waiting room and the trigger-happy kangaroo on his tail. Near-future Oakland is an ominous place where evolved animals function as members of society, the police monitor citizens by their karma levels, and mind-numbing drugs such as Forgettol and Acceptol are all the rage. In this brave new world, Metcalf has been shadowing the wife of an affluent doctor, perhaps falling a little in love with her at the same time.

1983. The US nuclear submarine USS Roanoke embarks on a classified spy mission into Soviet waters. Their goal: to find evidence of a new, faster, and deadlier Soviet submarine that could tip the balance of the Cold War. But the Roanoke crew isn't alone. Something is on board with them. Something cunning and malevolent. Trapped in enemy territory and hunted by Soviet submarines, tensions escalate and crew members turn on each other. When the lights go out and horror fills the corridors, it will take everything the crew has to survive the menace.

My name's Devon Jinx, and, yes, I'm half warlock, half witch. But I couldn't care less about which kind of magic is better. All I want to do is keep my head down and get on with my new job as an investigator at the Hunted Witch Agency. A recent, shall we say, mistake has put me in place to inherit the leadership of the warlocks. Which means only one thing. I have a choice to make: leave behind my life of witchery to become a warlock, or lose my warlock magic forever. Complicating my choice is the fact that someone is trying to destroy the warlock coven.

On December 7, 1941, the Japanese launched an attack against U.S. naval forces stationed in Pearl Harbor, Hawaii. But what if the Japanese followed up their air assault with an invasion and occupation of Hawaii? This is the question explored by Harry Turtledove in Days of Infamy, with frightening implications.

A dinosaur book like you've never seen before! Not only is the "dinosaur mystery" solved, but you'll be taught the true history of the earth and its inhabitants! Your thinking about this world will never be the same again! A wealth of information combined into one volume, this fascinating audiobook is a perfect addition to your listening library!

Paranormal private investigator and witch Ruby Hart needs a man - specifically, a man with a unique tattoo. Finding him for her anonymous client will put her fledgling business in the supernatural haven town of Nocturne Falls, Georgia, in the black for months. Maximilian Cornelius Vandervere the Fourth was a privileged and respected member of one of Alpha-Prime’s most elite families before the incident made him a social pariah. An uncomplicated life as Max Vander in the secret alien colony on Earth is the perfect solution.

An astonishing technique for recovering and cloning dinosaur DNA has been discovered. Now humankind’s most thrilling fantasies have come true. Creatures extinct for eons roam Jurassic Park with their awesome presence and profound mystery, and all the world can visit them - for a price.

Fourteen-year-old Mona isn't like the wizards charged with defending the city. She can't control lightning or speak to water. Her familiar is a sourdough starter, and her magic only works on bread. She has a comfortable life in her aunt's bakery making gingerbread men dance. But Mona's life is turned upside down when she finds a dead body on the bakery floor. An assassin is stalking the streets of Mona's city, preying on magic folk, and it appears that Mona is his next target. And in an embattled city suddenly bereft of wizards, the assassin may be the least of Mona's worries.

The discovery of lost letters between Alexander Hamilton and George Washington, describing historical events that never happened, sends shockwaves through the academic world. Meanwhile, a citywide surveillance program is coming to New York, on a groundswell of dirty money and dead bodies. To hard-nosed Brooklyn reporter Nell Bluth, the two mysteries couldn't be more different - until she finds the missing link. A secret war is raging on the streets of New York. It's a battle to control the narrative of history itself, and the winner rewrites the world.

I’m Rachel Collins, low witch and raven shifter in hiding. I spend my days tending the cash register at a local magic shop and my nights patrolling the streets for vampires with a death wish. Until the night I spot the mark of the Soulless on some lowly vampire’s wrist. The Soulless answer to Valkas, the original vampire and the most ruthless of them all. They’re the same bloodsuckers who murdered my parents and kidnapped my sister. I want answers—and maybe a little revenge.

Since the 1970s, FantasticLand has been the theme park where "Fun is Guaranteed!" But when a hurricane ravages the Florida coast and isolates the park, the employees find it anything but fun. Five weeks later, the authorities who rescue the survivors encounter a scene of horror. Photos soon emerge online of heads on spikes outside of rides and viscera and human bones littering the gift shops, breaking records for hits, views, likes, clicks, and shares.

Facing down an unprecedented malevolent enemy, the government responds with a nuclear attack. America as it was is gone forever, and now every citizen - from the President of the United States to the homeless on the streets of New York City - will fight for survival. In a wasteland born of rage and fear, populated by monstrous creatures and marauding armies, earth's last survivors have been drawn into the final battle between good and evil, that will decide the fate of humanity.

Ripped from the headlines, the explosive Trackers saga is a realistic depiction of what an EMP attack and the aftermath might look like from one of the genre's leading voices, USA Today best-selling author and former Homeland Security disaster mitigation officer Nicholas Sansbury Smith. This box set includes the entire four-book Trackers series with over 30 hours of post-apocalyptic survival fiction and action. This box set includes Trackers, Trackers 2: The Hunted, Trackers 3: The Storm, and Trackers 4: The Damned.

When Alexis's little sister Kasey becomes obsessed with an antique doll, Alexis thinks she is just being her usual weird self. Things get weirder, though, when their house starts changing. Doors open and close by themselves; water boils on the unlit stove; and an unplugged air conditioner blasts cold air.

A junior intelligence officer in the Martian Combined Fleet, Radrick Siegn supplements his meager pay by smuggling contraband from Saturn to Mars. Someday, he’ll buy his own ship and escape the Fleet forever. But his captain has other plans for him. A tanker pilot has been murdered on Saturn Station. It’s up to Siegn to salvage the honor of the Fleet by finding the killer … before they kill again. The investigation plunges Siegn into the seedy underworld of Saturn Station, where he learns this was no ordinary killing.

I've always had a weak spot for strange ladies. One very beautiful girl had even warned me that she was, get this, a vampire. But did I listen? No.

Harmon Waite is the son of the most powerful angel in the universe. He will undergo 12 trials by fire in an unrivaled hero's journey. If he is to survive, Harmon must discover his power to fight evil on the immense stage of the Celestial Wars.