Skandar Smith has always yearned to leave the Mainland and escape to the secretive Island, where wild unicorns roam free. He’s spent years studying for his Hatchery exam, the annual test that selects a handful of Mainlander thirteen-year-olds to train to become unicorn riders. But on the day of Skandar’s exam, things go horribly wrong, and his hopes are shattered…until a mysterious figure knocks on his door at midnight, bearing a message: the Island is in peril and Skandar must answer its call.

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.

Jake is a scrappy orphaned pickpocket living by his wits on the streets of Victorian London. Lately he’s started seeing ghosts and discovers he can move solid objects with his mind! He has no idea why. Next thing he knows, a Sinister Gentleman and his minions come hunting him. On the run for his life, Jake is plunged headlong into a mysterious world full of magic and deadly peril. A world that holds the secret to who he really is: the long-lost heir of an aristocratic family - with magical powers!

Everyone thinks that Sophie is an orphan. True, there were no other recorded female survivors from the shipwreck that left baby Sophie floating in the English Channel in a cello case, but Sophie remembers seeing her mother wave for help. Her guardian tells her it is almost impossible that her mother is still alive - but “almost impossible” means “still possible.” And you should never ignore a possible.

The Island is at war. Skandar, now an outlaw, is in hiding after Rex Manning revealed a game-changing secret at the Chaos Cup. But as Rex prepares to invade the Mainland, the Islanders are not sure who to trust. With one of Skandar’s closest friends now fighting for the enemy, Skandar must build new alliances—including an uneasy truce with Kenna.

In the Clandoms, everyone is born with wings, with tight-knit communities formed around bird types: Jay, Falcon, Crow. Ellie Meadows dreams of growing up to join the Goldwings - the famed knights who defend all the people of the Clandoms. It was a Goldwing, after all, who saved her life on that terrible day her parents were killed. There's just one problem: Ellie is a Sparrow, and the Goldwings are almost invariably picked from the higher clans like Eagles and Ospreys. This rigid hierarchy means that Ellie is destined to become a farmer.

Fifteen years ago, eight supernatural criminals fled Estero City to make a new life in an isolated tropical hideout. Over time, seven of them disappeared without a trace, presumed captured or killed. And now, the remaining one has died. Left behind to fend for themselves are the criminals’ five children, each with superpowers of their own: Birdie can communicate with animals. Brix has athletic abilities and can heal quickly. Tenner can swim like a fish and can see in the dark and hear from a distance. Seven’s skin camouflages to match whatever is around him.

Sara Martinez is a hacker. She recently broke into the New York City foster care system to expose her foster parents as cheats and lawbreakers. However, instead of being hailed as a hero, Sara finds herself facing years in a juvenile detention facility and banned from using computers for the same stretch of time. Enter Mother, a British spy who not only gets Sara released from jail but also offers her a chance to make a home for herself within a secret MI5 agency. Operating out of a base in Scotland, the City Spies are five kids from various parts of the world.

Something is wrong at the Sea. The weeping tide, a carnivorous algae bloom, is eating up all the fish. Beasts are terrorizing the nearby Elsewheres. And Lochmordra, the Legendary Beast, is rising at random and swallowing ships whole. Barclay’s teacher, the famous Guardian Keeper Runa Rasgar, has been summoned to investigate, and as her apprentice, Barclay gets to join too. But Runa’s nemesis has also been called to the Sea, and he’s brought apprentices of his own. When the not-so-friendly competition between them grows fierce, it’s Barclay who can’t seem to keep up.

Thirteen-year-old Sik wants a simple life going to school and helping at his parents' deli in the evenings. But all that is blown to smithereens when Nergal comes looking for him, thinking that Sik holds the secret to eternal life. Turns out Sik is immortal but doesn't know it, and that's about to get him and the entire city into deep, deep trouble.

In the Clandoms, everyone is born with wings, though not all the clans are treated equally. Ellie Meadows longed to become a Goldwing—the knights who protect the people -- but because she came from the humble Sparrow Clan, her dream faced almost insurmountable resistance. Nox Hatcher has it even worse. Nox is a Crow, a shattered clan. They can't own businesses or run organizations, all due to a mistake made hundreds of years ago. Nox has had to steal and scrape just to survive, but a single goal has kept him going, even when it felt like all the Clandoms were against him.

Amari Peters has never stopped believing her missing brother, Quinton, is alive. Not even when the police told her otherwise, or when she got in trouble for standing up to bullies who said he was gone for good. So when she finds a ticking briefcase in his closet, containing a nomination for a summer tryout at the Bureau of Supernatural Affairs, she’s certain the secretive organization holds the key to locating Quinton - if only she can wrap her head around the idea of magicians, fairies, aliens, and other supernatural creatures all being real.

The wild cats of the forest have lived in peace and harmony for many moons - but now, strange messages from their warrior ancestors speak of terrifying new prophecies and a mysterious danger. Brambleclaw, a warrior of ThunderClan, may be the cat with the fate of the forest in his paws. Now, he will need all the courage and strength of the greatest warriors to save the Clans.

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.

A kingdom in danger, a great betrayal, a boy seeking to redeem his father's honor. Will he succeed in exonerating him and saving the realm from an enemy in the shadows before it’s too late?