"In the two years that she's known Ellie Wolf, the rebellious princess hiding her identity, Lottie has been anything but safe. And now they're facing the greatest danger yet--Leviathan, the secret organization intent on taking the princess down. When Leviathan forces them to travel to their beloved Rosewood Hall's sister school in Japan, they see that nowhere is beyond Leviathan's long reach"--

After nefarious, nameless thugs have separated Sam and Evie, the pair must travel the globe to reunite and piece together the remaining clues about the missing explorers from the Filipendulous Five--

Emory might be a student at the prestigious Aldryn College for Lunar Magics, but her healing abilities have always been mediocre at best--until a treacherous night in the Dovermere sea caves leaves a group of her classmates dead and her as the only survivor. Now Emory is plagued by strange, impossible powers that no healer should possess. Powers that would ruin her life if the wrong person were to discover them. To gain control of these new abilities,...

Omar, Dylan, Amy and Joey, the first four members of the Revolution team, are searching for the next fragment of Tony Hawk's powerful 900 skateboard in Minneapolis, and their search leads them to a teen who is tuned into the Artifact--but the evil Collective once again stands in their way.

An American boy travels with his family to London for his mother to find his father, but it turns out his father was involved with something nefarious...and now so is he--

In 1889 London young women are turning up dead, and Evaline Stoker, relative of Bram, and Mina Holmes, niece of Sherlock, are summoned to investigate the clue of the not-so-ancient Egyptian scarabs--but where does a time traveler fit in?

A boy called Thing works with a secret organization to rescue Emmeline from Dr. Siegfried Bauer, who wants her parents to awaken a powerful creature in the ice fields of Greenland.

From London, through the Austrian Alps, and to central China, Jack, Gwen, and new friend Liu Fai face a clockwork dragon as they try to prevent Gall from finding ancient artifacts said to grant immortality.

Fourteen-year-old Danny Lopez reviews the path that led him from Las Vegas, Nevada, to an experimental school near Colorado Springs and then to his imminent death at the hands of a cat-killer ready for bigger prey.

The Alden siblings continue their mission to return lost artifacts around the world to their rightful homes by visiting the Pyramids in Egypt and Stonehenge in England, among other places, while outwitting a thief along the way.