Nicole Cassidy is a witch descended from the Greek gods...but she doesn't know it until she moves to a new town and discovers a dangerous world of magic and monsters that she never knew existed. When the Olympian Comet shoots through the sky for the first time in 3,000 years, Nicole and four others - including mysterious bad-boy Blake - are gifted with elemental powers. But the comet has another effect - it opens the portal to another dimension that has imprisoned the Titans for centuries.

A supernatural swarm. A treacherous scheme. A tinker's apprentice may be the village's only hope. This collection includes Steamborn, Steamforged, and Steamsworn. Grab it and crank up a whimsical thrill-ride today!

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.

What if you could actually see angels and fallen angels engaging in battle? Would you have the courage to join the fight? A year ago, Jonah Stone and his sister, Eliza, discovered that their mother is a nephilim, the child of a union between a human and a fallen angel, which makes them and their little brother, Jeremiah, quarterlings, or one-quarter angel. When Jonah and Eliza are attacked by fallen angels at school, they learn that quarterlings are being targeted all over the world. The kids undergo special training to help them discover their own unique angelic gifts

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.

Bobby Pendragon is a seemingly normal 14-year-old boy. He has a family, a home, and even Marley, his beloved dog. But there is something very special about Bobby: he is going to save the world.

And not just Earth as we know it. Bobby is slowly starting to realize that life in the cosmos isn't quite what he thought it was. And before he can object, he is swept off to an alternate dimension known as Denduron, a territory inhabited by strange beings, ruled by a magical tyrant, and plagued by dangerous revolution.

Marcus and his twin sister, Ellie, live in the loft above their grandparents' magic shop - the one all the rumors are about. Soon the children are thrown into a world that they never knew existed. Not only is the family business a front, but Marcus learns that he has been marked as a dead man from the time he was born.

Thirteen-year-old Sam Shelton is the only person in Avalon who can't use the magical power of aether. He's also the only person in Avalon with a bag of high-tech spy gear, a solar-powered cell phone with intermittent signal back to Earth, a YouTube account, and a murderous wizard-emperor on his tail. So he's got a lot going for him. When an earthquake hits his hometown of Bozeman, Montana, Sam gets inexplicably transported to Avalon, a strange world in which aether defines all aspects of life: the rich, the poor, the weak, the powerful, the oppressed, and the oppressors.

One morning, Erec's mother is missing. The force inside Erec commands him to find her, leading him on an adventure that will change him forever. When he arrives in Alypium, a hidden world where old knowledge of magic is kept, Erec learns that his mother and the entire kingdom are in peril. And he might be the only one who can save them.

Every High School has their social outcasts. The band nerds, the math geeks, the chess club, the girl that chews her hair, but at Butler High, even the creepy nose picker in the chess club is more popular than Caleo Anima. No matter what he did, his pale skin, snow white hair, and piercing blue eyes always made him an easy target. He used to think that the only way things could get worse would be if someone found out that he was gay, but that isn't even the tip of the iceberg of problems after a mysterious stranger shows up and changes Caleo's life forever.

Xavier, Evan, and their friends have typical lives until they enter a mysterious land called Ahoratos. There they meet their guide, Ruwach, who offers wisdom and direction as the kids' initial adventure begins - an adventure filled with armor and danger and a very real enemy.

Protecting humans from dangerous magical creatures is all in a day's work for a faerie training to be a guardian. Seventeen-year-old Violet Fairdale knows this better than anyone - she's about to become the best guardian the Guild has seen in years. That is until a cute human boy who can somehow see through her faerie glamour follows her into the fae realm. Now she's broken Guild Law, a crime that could lead to her expulsion.

For as long as she can remember, Nadia and her younger brother, Chris, have been tagging along with their parents as they travel the world searching for the untold stories of ancient societies. It'll take the whole team to uncover something truly remarkable: the Kamju, a civilization hidden deep in the wilds of Uganda. Some people believe the Kamju, known for their powerful magic, are not real. Nadia's parents think they can find them. Nadia knows how important this discovery could be to her parents, but she can't shake the feeling that something is wrong.

Seventeen-year-old Chastity Blake knows the Sandman is just a silly children's story parents tell their children to get them to sleep. At least she thought it was, until the day a mysterious, light golden sand appeared in her hands during a high school prank that went horribly wrong. A sand that has the power to send anyone it touches into a deep, sound sleep. Fearing she had lost her mind, Chastity soon discovers the shocking truth of her heritage - she is a Dream Caster.