It's no longer a game. The body count is rising. Shaken by recent events, Amy and Dan flee to a distant land and trace the footsteps of their most formidable ancestor yet: a military leader of mythic proportions. Yet just as the siblings begin to master the art of ancient warfare, they confront a dangerous enemy that can't be felled with a sword: the truth. With the stakes higher than ever, Amy and Dan uncover something so devastating it changes everything...

Teens Jack, Marco, Aly, and Cass begin a quest to find seven pieces of Atlantis' power that were hidden long ago and that will, if returned to Atlantis, save them from certain death due to the genetic abnormality that also gives them superior abilities.

"The Vespers have crossed a line. Amy and Dan were devastated when the Vespers kidnapped seven Cahills around the world, holding them hostage until Amy and Dan delivered an impossible ransom. But at least the hostages were Cahills - members of the world's most powerful family, trained to face all odds. Now the Vespers have gone too far. They've kidnapped Atticus, an innocent 11 year old boy and Dan's only friend. Now Dan and Amy are in the struggle...

After Marco's betrayal, Jack McKinley and his friends must face their own demons and engage in a battle with foes long gone.

Trapped in Antarctic ice, Jack Winslow and his sons fight to get home
It has been nearly a year since Jack Winslow and his two sons, Colin and Andrew, set out to conquer Antarctica. While Colin and most of the crew stayed behind on the ship, Andrew made a dash for the South Pole, nearly dying in the process. When he returns to the Mystery, frostbitten and frail, the ship has become wedged between two ice floes. As the crew hacks at...

From the lost Journals of the New York Times bestselling Seven Wonders series comes the story of how Atlantis came to rest at the bottom of the sea. Follow the threads of history back to ancient times. Two Atlantean princes, Karai and Massarym, obsessed with power and terrified of the mysterious Loculi, turned against it each other in a bitter rivalry. With the future of the world at stake and nowhere to turn for guidance, the fourteen-year-old brothers...

Discover the history behind the mystery of the New York Times bestselling Seven Wonders series in this original novella. Follow the tale of Aliyah and Osman, twin treasure hunters pressed into a life of crime. For them, every day is another desperate death-defying adventure until they stumble upon the key that may lead to the greatest treasure ever. But to take home this magical orb, they must first battle their way out of the Tomb of Shadows. With...

A teenage history buff finds himself trapped in the Civil War Jake Branford has always felt that he was born 150 years too late. A fourteen-year-old Civil War nut, he's happiest when he's reading soldiers' letters, exploring old battlegrounds, or trying on an ancestor's tattered Union Army cap. Lucky for him, a mysterious film director is in town, working on a Civil War epic, and Jake stumbles onto the secret set.   The film set is like nothing he...

A young boy sees his long lost father in an abandoned subway station, and he now must enter the mysterious world of the Watchers to find his father.

The latest installment in a gripping new series that will appeal to fans of the X-Files has Sam's parents attempting to remove his twin who is still inside Sam's body. What is going on in Lab 6? Whatever it is, Sam Hughes is somehow involved. He hears a strange voice calling from within his mind and from behind the lab door. The closer Sam gets to the truth, the more the danger grows. The secret of Lab 6 will blow him away.