Josh Adams, 14, awakes from a 50-year sleep. Ancient prophecy commands him and the other Sleepers to unite in battle against the evil priests and combat the doubt that threatens their faith.

When Gregor falls through a grate in the laundry room of his apartment building, he hurtles into the dark Underland, where spiders, rats, and cockroaches coexist uneasily with humans. This world is on the brink of war, and Gregor's arrival is no accident. A prophecy foretells that Gregor has a role to play in the Underland's uncertain future. Gregor wants no part of it, until he realizes it's the only way to solve the mystery of his father's disappearance.

Cole Randolph was just trying to have a fun time with his friends on Halloween (and maybe get to know Jenna Hunt a little better). But when a spooky haunted house turns out to be a portal to something much creepier, Cole finds himself on an adventure on a whole different level.

When Alex finds out he is Unwanted, he expects to die. That is the way of the people of Quill: Each year all the 13-year-olds are labeled as Wanted, Necessary, or Unwanted. Wanteds get more schooling and train to join the army. Necessaries keep the farms running. Unwanteds are set for elimination. It’s hard for Alex to leave behind his twin, Aaron, a Wanted, but he makes peace with his fate - until he discovers that instead of a “death farm”, what awaits him is a magical place called Artime.

Surrounded by secrecy, it is home to the wildest dreams and darkest nightmares. Incredible amounts of money have been lavished on it. The best minds of two generations have labored to build it. And somehow, bit by bit, it is claiming the Earth's most valuable resource - its children.

Deep below the surface of the planet Adamantine lies a crystalline wonder world of lava seas and volcanic islands, home to living rock-people. But when the Doctor and her friends arrive they find Adamantine under threat. The seas are shrinking, the magma is cooling, and mysterious, fatal Seething Pools are spreading fast. Something has come to Adamantine - but what does it want? Fearing an invasion is underway, the Doctor must lead an expedition to the surface of the world to save its molten heart....

Four decades after the Oblivion Crisis, Tamriel is threatened anew by an ancient and all-consuming evil. It is Umbriel, a floating city that casts a terrifying shadow-for wherever it falls, people die and rise again. And it is in Umbriel's shadow that a great adventure begins and a group of unlikely heroes meet. A legendary prince with a secret. A spy on the trail of a vast conspiracy. A mage obsessed with his desire for revenge. And Annaïg, a young girl in whose hands the fate of Tamriel may rest.

Identical twins Fifer and Thisbe Stowe have amazing yet uncontrollable magical abilities. They're naturally more gifted than even their brother, Alex, the head mage of Artimé, could hope to be. But when they accidentally use their magic in the jungle of Artimé to strike down a beloved creature, Alex is furious and threatens to lock them away until they can learn to control their power.

Deep in the ocean, in a world not so different from our own, live the merpeople. Their communities are spread throughout the oceans, seas, and freshwaters all over the globe. When Serafina, a mermaid of the Mediterranean Sea, awakens on the morning of her betrothal, her biggest worry should be winning the love of handsome Prince Mahdi. And yet Sera finds herself haunted by strange dreams that foretell the return of an ancient evil. Her dark premonitions are confirmed when an assassin's arrow poisons Sera's mother.

Single mom Cedar McLeod leads an ordinary but lonely life, balancing the demands of her career and her six-year-old daughter, Eden. One day, a fight between the two leads to the stunning discovery that Eden can open portals to anywhere she imagines. But before they can learn more about Eden’s extraordinary gift, the young girl mysteriously disappears. Desperate to find answers and her daughter, Cedar seeks out Eden’s father, who left before Eden was born.

Elijah Goldsmith has nightmares he needs to ignore. Why would a rich kid from Manhattan dream three straight nights about a dragon and the destruction of St. Peter’s Basilica? He’s never even been to Rome. It’s bad timing, too. He’s graduating soon and applying to be a spy in the International Security Agency. That’s where he meets Naomi. She’s the kind of girl who makes boys like Elijah want to share their secrets.

Before Desirmor came and broke the peace of the Alexidus monarchy with his army of dark beasts, Princess Harmony Alexidus spoke a prophecy of his rise and fall. He would destroy the warriors of the Harven Mountains. He would make the princess his eternally unwilling bride. Then he would wrap the world in a veil of darkness so tight, the people would forget that light ever existed.

A disabled teen, an empathetic dragon, and a bond that will save the world. Sixteen-year-old Amel arrived at Dragon School just like everyone else - with a dream to ride dragons and join the Dominion Dragon Riders. But Amel has a crippled leg, and Dragon School training is grueling. Before she can even become an initiate, she must complete her first flight on a dragon. Can Amel survive First Flight and become a Dragon School initiate, or will her dreams dash on the rocks below?

By using the energy of the land, some humans have found they can develop extraordinary abilities. At the age of 17, these warriors, magicians, chemists, and psychics are allowed the opportunity to train at the Academy, increasing their opportunity for a well-paying career. But there's a catch. They must fight beside the Army if requested by their king. Most aren't concerned by this, as the current treaty has prevented battle for nearly 70 years...but that's about to change.

For as long as she can remember, 12-year-old Emily Windsnap has lived on a boat. And, oddly enough, for just as long, her mother has seemed anxious to keep Emily away from the water. But when Mom finally agrees to let her take swimming lessons, Emily makes a startling discovery about her own identity, about the mysterious father she's never met, and about the thrilling possibilities and perils shimmering deep below the water's surface.