Science Mysteries

When a killer vampire threatens to destroy head of Special Investigations Karrin Murphy's reputation, unless Harry delivers the powerful Word of Kemmler to her, he has no choice. Now Harry is in a race against time to find the Word before Chicago experiences a Halloween night to wake the dead.

For a policeman, there can be few things worse than a serial killer loose in your city. Except, perhaps, a serial killer who targets coppers, and a city on the brink of bloody revolution. For Commander Sam Vimes, it all feels horribly familiar. Caught on the roof of a very magical building during a storm, he's found himself back in his own rough, tough past without even the clothes he was standing up in when the lightning struck. Living in the past is hard, especially when your time travel companion is a serial killer who knows where you live.

When fifteen-year-old Clary Fray heads out to the Pandemonium Club in New York City, she hardly expects to witness a murder - much less a murder committed by three teenagers covered with strange tattoos and brandishing bizarre weapons. Then the body disappears into thin air. It's hard to call the police when the murderers are invisible to everyone else and when there is nothing - not even a smear of blood - to show that a boy has died. Or was he a boy?

Lexi Sobado and her mentor Spyder McGraw work as a covert team to thwart the four-headed monster they've code-named the Hydra. No one - not Lexi's teammates, not her fiance, Striker Rheas, not even Command itself - knows about their mission. They fear a mole lurks among them, but the truth may be even more sinister. In trying to protect the government, the US military might have created the weapon that ultimately destroys America.

After nearly four years, the zombie epidemic has almost burned itself out. Once a lone survivor on the brink of insanity, Gus Berry has a new life on a communal farm, his daily routine of policing the fields only rarely disrupted by straying undead. Gus’s drinking binges are over, and the dark days of Annapolis are soon to be a distant memory. But his troubles are far from over . . .

A pig that does math tricks. A parrot that seems to know what she's saying. A flying pig...um, pug. These animals know what it means to be in the spotlight. Meet Mudslinger the superstar pig, Einstein the parrot genius, and Otis the skydiving dog. Hear the stories of these three amazing animal superstars in Parrot Genius.

I am Blair Sheach, and my life will never be the same. Newfound powers don't make a hero overnight, but somehow I've become the last line of defense for the city of London. Vampires and demons crawl the streets, magic cops suck at keeping them in line, and the easy job I took to pay my rent has turned into something far more complicated. The cheating deadbeat my client hired me to find just so happens to be the necromancer hell-bent on destroying London, and it's up to me to stop him.

Gideon's planning a heist, to steal the only thing that matters from the worst man in the world. To get past his security, he's going to need a crew who can do the impossible...but luckily, he has the right people in mind. The Damned, the Ghost, the Wild Card...and his ex-girlfriend, Annie Anybody. A woman who can be anyone, with the power to make technology fall in love with her. If things go well, they'll all get what they want. And if they're lucky, they might not even die trying.

John Thomas Rourke, M.D., ex-CIA Covert Operations Officer, weapons expert, and survival authority, has accomplished one of his goals — he's helped his young friend Paul Rubinstein locate his parents. Now, Rourke's search for his own family must continue, hampered by severe storms raging along the Eastern Seaboard caused by the earthquakes which destroyed Florida.

Desperate to pay the rent, Broadway star wannabe Poppy McGuillicuddy is the middle of DJ-ing a Halloween party when a mishap with a cat named Calamity changes her life forever. Suddenly, she's a familiar - as in, a witch's familiar. Or in her case, a warlock's. Even more specifically, a gorgeous warlock...who wants nothing to do with her. Thank God for the ladies from OOPs, who've promised their help as Poppy navigates her accidental paranormal powers.

Shortly after her 16th birthday, Sunshine Griffith and her mother, Kat, move from sunny Austin, Texas, to the rain-drenched town of Ridgemont, Washington. Though Sunshine is adopted, she and her mother have always been close, sharing a special bond filled with laughter and inside jokes. But from the moment they arrive, Sunshine feels her world darken with an eeriness she cannot place. And even if Kat doesn't recognize it, Sunshine knows that something about their new house is just...creepy.

Why can salamanders grow new legs, and young children grow new fingertips, but adult humans can't regenerate? What is the electricity that flows through the human body? Is it the same thing that the Chinese call Qi? If so, what does Chinese medicine know that Western medicine ignores? Dan Keown's highly accessible, witty, and original book shows how Western medicine validates the theories of Chinese medicine and how Chinese medicine explains the mysteries of the body that Western medicine largely ignores.

Lewis Barnavelt is back and this time he has stumbled upon something more powerful than even his imagination can dream up. A camping trip with his Scout troop leads Lewis straight to an old grave and a mysterious, magical whistle. When Lewis discovers that this whistle has the power to stop the boys who insist upon bullying him, he is left with a tough decision. Does he continue to use the whistle, which he suspects might not be completely safe? Is Lewis strong enough to face the potent spirit that he is unknowingly summoning?

World War III has passed and John Thomas Rourke, ex-CIA Covert Operations Officer, weapons specialist and survival expert has at last reached his home, only to find that his wife and two children have fled for their lives. With the knowledge that his family has survived the nuclear holocaust, Rourke, with the aid of young Paul Rubenstein, must find his loved ones.

Emma Hooper thought coming home to small-town life and the family farm would give her a chance to rest and recover from a traumatic accident. But that was before she started seeing ghosts. It was before Grandma Hooper started singing on the roof, and it was way, way before anybody spotted a ghost in a 19th-century cavalry uniform coming out of an outhouse. Can Emma learn to handle her newfound ability to see spirits, while figuring out a confusing relationship with the handsome local doctor? All while solving the ghastly murder of Preacher Jacob?

Angharad "Harry" Russo is just your ordinary 20-something, with one exception - she's a witch with an out-of-the-ordinary gift. When her blind date goes sideways and she ends up face-to-face with a dead body, her life starts to go sideways too. Harry soon finds herself right in the middle of the mayhem, dealing with Cian Nash, a homicide detective that is as aggravating as he is sexy.

Ketterdam: a bustling hub of international trade where anything can be had for the right price - and no one knows that better than criminal prodigy Kaz Brekker. Kaz is offered a chance at a deadly heist that could make him rich beyond his wildest dreams. But he can't pull it off alone.

More than half of American adults and more than 75 percent of young Americans believe in intelligent extraterrestrial life. This level of belief rivals that of belief in God. American Cosmic examines the mechanisms at work behind the thriving belief system in extraterrestrial life, a system that is changing and even supplanting traditional religions.

Deep in the African rain forest, near the legendary ruins of the Lost City of Zinj, an expedition of eight American geologists are mysteriously and brutally killed in a matter of minutes. Ten thousand miles away, Karen Ross, the Congo Project Supervisor, watches a gruesome video transmission of the aftermath: a camp destroyed, tents crushed and torn, equipment scattered in the mud alongside dead bodies - all motionless except for one moving image - a grainy, dark, man-shaped blur.

After a scourge of griefer attacks and a change in headmasters, Minecrafters Academy is once again at peace, and Lucy is working hard to keep up in all her classes. Meanwhile, the school is gearing up for an end-of-the-year talent show where everyone will showcase their greatest skills, from master building and clever potion making to strategic fighting. But when a hoard of skeletons and hostile mobs attacks the campus one night, an all-too-familiar struggle begins.