Magnus Chase has always been a troubled kid. Since his mother's mysterious death, he's lived alone on the streets of Boston, surviving by his wits, keeping one step ahead of the police and the truant officers. One day, he's tracked down by an uncle he barely knows - a man his mother claimed was dangerous. Uncle Randolph tells him an impossible secret: Magnus is the son of a Norse god. The Viking myths are true. The gods of Asgard are preparing for war. Trolls, giants and worse monsters are stirring for doomsday.

Ana Dakkar is a freshman at Harding-Pencroft Academy, a five-year high school that graduates the best marine scientists, naval warriors, navigators, and underwater explorers in the world. Ana's parents died while on a scientific expedition two years ago, and the only family's she's got left is her older brother, Dev, also a student at HP. Ana's freshman year culminates with the class' weekend trial at sea, the details of which have been kept secret. She only hopes she has what it'll take to succeed.

Twelve-year-old Percy Jackson is about to be kicked out of boarding school...again. No matter how hard he tries, he can't seem to stay out of trouble. But can he really be expected to stand by and watch while a bully picks on his scrawny best friend? Or not defend himself against his pre-algebra teacher when she turns into a monster and tries to kill him? Of course, no one believes Percy about the monster incident; he's not even sure he believes himself.

Jason has a problem. He doesn't remember anything before waking up on a school bus holding hands with a girl. Apparently she's his girlfriend Piper, his best friend is a kid named Leo, and they're all students in the Wilderness School, a boarding school for "bad kids." What he did to end up here, Jason has no idea—except that everything seems very wrong.

As the son of Hades, Nico di Angelo has been through so much, from the premature deaths of his mother and sister, to being outed against his will, to losing his friend Jason during the trials of Apollo. But there is a ray of sunshine in his life—literally: his boyfriend, Will Solace, the son of Apollo. Together the two demigods can overcome any obstacle or foe. At least, that's been the case so far . . . Now Nico is being plagued by a voice calling out to him from Tartarus, the lowest part of the Underworld.

The kingdom of Cornucopia was once the happiest in the world. It had plenty of gold, a king with the finest moustache you could possibly imagine, and butchers, bakers, and cheesemongers whose exquisite foods made a person dance with delight when they ate them. Everything was perfect - except for the misty Marshlands to the north, which, according to legend, were home to the monstrous Ickabog. Anyone sensible knew that the Ickabog was just a myth to scare children into behaving. But the funny thing about myths is that sometimes they take on a life of their own.

Jack loves his childhood toy Dur Pig. DP has always been there for him, through good and bad. Until one Christmas Eve something terrible happens - DP is lost. But Christmas Eve is a night for miracles and lost causes, a night when all things can come to life...even toys. And Jack’s newest toy - the Christmas Pig (DP’s annoying replacement) - has a daring plan: Together they’ll embark on a magical journey to seek something lost and to save the best friend Jack has ever known....

Mark and Levi’s podcast takes a turn when a spaceship crashes in the backyard, and along with Levi’s older sister Brooke, they make contact with an extraterrestrial—a furry, purple creature they name Sky who was separated from the rest of her crew during an intergalactic mission. If she doesn’t make contact with them soon, she’ll never see her home again. Unfortunately, the kids aren’t the only ones who know about the alien’s arrival on Earth. A group of mysterious adults in black suits have begun following them. They’ve kidnapped Brooke’s boyfriend, Gavin, with Sky as ransom.

Mary Lennox starts her life as an unhappy victim of circumstance. After the loss of her parents, she moves to rural Yorkshire to live with a distant uncle where she resents the wildness of the countryside. At first, she struggles to find a place in this new existence. Although unsure about her surroundings and its occupants, through the gentle guidance of the maid she gradually becomes interested in the story of Mrs Craven, who apparently used to spend her time in a garden at the house, the key to which has vanished.

Despite his family’s baffling generations-old ban on music, Miguel dreams of becoming an accomplished musician like his idol, Ernesto de la Cruz. Desperate to prove his talent, Miguel finds himself in the stunning and colorful Land of the Dead following a mysterious chain of events. Along the way, he meets charming trickster Hector.