Science Mysteries

The library holds not only hidden knowledge but also the most unsettling secret the world has ever known, a secret the Templars hope to use to control humankind's destiny. Five keys are needed to access the library-to find them, Ezio must travel to the troubled city of Constantinople, where a growing army of Templars threatens to destabilize the Ottoman Empire.Walking in the footsteps of his predecessor, Altaïr, Ezio must defeat the Templars for the final time. The stakes have never been higher, and what started as a pilgrimage has become a race against time.

Newly conscripted into the Emperor's dragon corps, Tate Fisher is still trying to figure out all that her new position entails. Along with an elevation in status comes dangerous enemies. Enemies who would rather see the dragons fall into ruin than remain in their current place of power. When a dragon goes missing, followed by a child close to her, Tate is forced to confront the hidden agendas of those in the highest seats of authority. Her search for the truth takes her deeper into the maze of tunnels that lie beneath the city.

The Organization has dispatched Ishmael and his partner Penny to Coronach House on the shores of Loch Ness, where the secretive but highly influential Baphamet Group are holding their annual meeting. The Organization believes an imposter has infiltrated the Group, and they have instructed Ishmael to root him - or her - out. It's not Ishmael's only mission. The first agent sent by the Organization has been found dead in her room, murdered in a horribly gruesome manner. Ishmael must also discover who killed Jennifer Rifkin, his fellow agent - and why.

Altaïr embarks on a formidable mission - one that takes him throughout the Holy Land and shows him the true meaning of the Assassin's Creed. To demonstrate his commitment, Altaïr must defeat nine deadly enemies, including Templar leader Robert de Sablé. Here, for the first time, Niccolò Polo, father of Marco, shares Altaïr's remarkable story: his ongoing battle with the Templar conspiracy; a family life that is as tragic as it is shocking; the betrayal of an old friend; and a journey that will ultimately change the course of history.

Life’s always an adventure for the Athena Club...especially when one of their own has been kidnapped! After their thrilling European escapades rescuing Lucina van Helsing, Mary Jekyll, and her friends return home to discover that their friend and kitchen maid Alice has vanished - and so has their friend and employer Sherlock Holmes! As they race to find Alice and bring her home safely, they discover that Alice and Sherlock’s kidnapping are only one small part of a plot that threatens Queen Victoria, and the very future of the British Empire.

When Arkham Advertiser reporter Andy van Nortwick receives a mysterious film reel in the mail, with a simple note: "Maude Brion is very much alive!", he steps onto a path which will lead him to the brink of madness. Brion, the famous actress and film director, vanished a year ago on an ill-fated expedition into the Amazon rainforest, delving into the legend of the Spider Queen. Thrilled by the prospect of his big break, Nortwick swings the funds to launch a rescue mission. He gathers a team of explorers and a keen folklorist to bring back Brion and cement his reputation.

Tough-as-nails Dakota Sloane has spent her life running from the past. A man haunted by secrets, Logan Garcia has only one goal: to drink himself into oblivion. When a bomb detonates over Miami, utter anarchy erupts. Dakota knows of a safe house deep in the Everglades, but she needs Logan's help to survive the chaos. But the radiation isn't the only threat. At every turn, deadly foes are determined to stop them. As a diabolical conspiracy emerges, Logan and Dakota must prepare for the fight of their lives against an enemy more powerful than they could ever imagine.

Sabrina and Daphne Grimm, along with their friends and allies from Ferryport Landing, engage in a climactic battle with the fearsome Mirror. With the future of the Grimms and all the Everafters hanging in the balance, the sisters make a fateful choice to join forces with the members of the Scarlet Hand to defeat Mirror and end this conflict once and for all.

When children go missing, and the Humans have no leads, I'm the one they call. I am their last hope in bringing home the lost ones. I salvage what they cannot. The FBI wants me on their team. Bad enough that they are dangling bait they know I can't resist. The catch? It’s on the other side of the ocean. And if I want what they’re offering, I have to help them with a salvage gone terribly, terribly wrong. But this time, I have no back up. I have no Plan B. And I have no O’Shea.

The kids in the third grade at Bailey Elementary are so hard to handle that all of their teachers have quit. But their new teacher, Mrs. Jeepers, is different, to say the least. She's just moved from the Transylvanian Alps, and she seems to have some strange powers that help her deal with these mischief-makers. Her methods may be a little unconventional, but, then again, Mrs. Jeepers may be just what the Bailey School kids need.

First the dead rose up, and civilization fell. Those who survived struggled to rebuild, creating makeshift societies with harsh new rules and harsher punishments. Some would be leaders, others slaves. But none would ever be safe from the walking death. Off the coast of Texas, an island research facility offers sanctuary, supplies, and hope to a desperate trio of survivors. But when they learn what the scientists are doing, how their experiments could unleash armies of the undead, they have no choice but to fight back.

Lydia is pulled into the Crow Family business by her shady uncle Charlie. He has decided that Lydia needs to learn the truth about her infamous Family and to step into her role within it - whether she likes it or not. After Lydia’s wrongful arrest, her relationship with DCI Fleet is decidedly rocky, but when a teenage girl goes missing from Highgate Woods, she must put aside her emotions and work the case. Lydia is increasingly alarmed by Charlie’s methods but is trapped by loyalty.

For two months, journalist Peter Heller rode aboard the vegan pirate ship Farley Mowat as it stalked its prey, a Japanese whaling fleet, through the storms and ice of Antarctica. The ship is black, flies under a jolly roger, and carries members of the Sea Shepherd Society, a radical environmental group who are willing to die to stop illegal whale hunting.

Police Chief Delaney Reed is good at keeping secrets for the beach town of Ordinary Oregon - just ask the vacationing gods or supernatural creatures who live there. But with the first annual Cake and Skate fundraiser coming up, the only secret Delaney really wants to know is how to stop the unseasonable rain storms. When all the god powers are stolen, a vampire is murdered, and her childhood crush turns out to be keeping deadly secrets of his own, rainy days are the least of her worries.

In their eighth adventure, sisters Sabrina and Daphne Grimm must face their gravest mission yet. The Everafter War is over, and the sisters find themselves trapped in the Book of Everafter—a place where fairy tale characters can affect their own destinies. While trying to save their baby brother, Sabrina and Daphne begin changing events in the story to suit their needs.

Why do compass needles point north - but not quite north? What guides the migration of birds, whales, and fish across the world's oceans? How is Earth able to sustain life under an onslaught of solar wind and cosmic radiation? For centuries, the world's great scientists have grappled with these questions, all rooted in the same phenomenon: Earth's magnetism. Over 2000 years after the invention of the compass, Einstein called the source of Earth's magnetic field one of greatest unsolved mysteries of physics.

Hunting vampires is her legacy. Detective Rainey Astor walks a dangerous line between the human and supernatural worlds. As a vampire hunter, she's a formidable opponent, having killed hundreds of their kind. Yet, when her latest foray into the supernatural world goes terribly wrong, she finds herself rescued by the very creature she's vowed to kill.

This seventh entry picks up right from the cliffhanger ending of Tales from the Hood, as Sabrina and Daphne's parents finally awake from their sleeping spell. But this is no time for complacency. The family must help Prince Charming's Everafter army fight the Scarlet Hand, and Sabrina must confront the deadly and mysterious Master.

As Molly Dark knows all too well, the problem with being able to see ghosts is that they never tell you what you wish to know. For instance, how a proper young lady like Miss Dark is supposed to support an impoverished family after her father has died a ruined man. Or how she is going to impersonate a missing princess long enough to steal a fortune out from under the collective noses of a whole family of royal monsters. Or exactly why the charming imposter claims to be none other than Grand Duke Vasily Nikolaevich, when he certainly isn’t a prince…or a vampire.

The first rule of a supernatural fight club? Don't kill your opponent. When the fighters come with lethal spells, werewolf strength, and half-demon powers, that can be a lot tougher than it sounds. It's hard to attract talent if they know they might not leave the ring alive. So when fighters at a California club start dying, it's bad for business. Witch detectives Paige Winterbourne and Savannah Levine take the case.