Oh, it's not the very cute kitten that appears out of nowhere and demands to go home with her. It's not the sudden arrival of her cousin Zee, who believes he's the cause of a mysterious sickness that has struck his friends back in England. It's not her creepy English teacher Mr. Metos, who takes his mythology lessons just a little too seriously. And it's not the white-faced, yellow-eyed men in tuxedoes, who follow Charlotte everywhere. What's so extraordinary is not any one of these things.... It's all of them.

What would happen if you discovered that your family was one of the most powerful in human history? What if you were told that the source of the family's power was hidden around the world, in the form of 39 Clues? What if you were given a choice - take a million dollars and walk away...or get the first Clue? If you're Amy and Dan Cahill, you take the Clue - and begin a very dangerous race.

From the acclaimed author of The Real Boy and The Lost Girl comes a wondrous and provocative fantasy about a kingdom beset by monsters, a mysterious school, and a girl caught in between them.

Of the identical twins, Iris has always been the grounded, capable, and rational one; Lark has been inventive, dreamy, and brilliant - and from their first moments in the world together, they’ve never left each other’s side. Everyone around them realized early on what the two sisters already knew: They had better outcomes when they were together. When fifth grade arrives, however, it's decided that Iris and Lark should be split into different classrooms, and something breaks in them both.

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.

Harry Potter has never even heard of Hogwarts when the letters start dropping on the doormat at number four, Privet Drive. Addressed in green ink on yellowish parchment with a purple seal, they are swiftly confiscated by his grisly aunt and uncle. Then, on Harry's eleventh birthday, a great beetle-eyed giant of a man called Rubeus Hagrid bursts in with some astonishing news: Harry Potter is a wizard, and he has a place at Hogwarts School of Witchcraft and Wizardry. An incredible adventure is about to begin!

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.

It’s two months before Amelia’s big audition for the Mystwick School of Musicraft. If she gets in, she will learn to spin music into powerful magic - but her Gran has one last-ditch plan to persuade her out of it: sports camp. A week of softball, sprinting, and sweaty socks isn't exactly Amelia’s idea of a good time - in fact, she's deeply, appallingly unathletic. By the end of day one, she’s puked her guts out in track, gotten a black eye in no-contact flag football, and firmly established herself as the Least Valuable Player at camp.

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.

Things happen on Bus 13 that can happen nowhere else. As Cali witnesses the strange events and odd behaviors, she finds herself unwillingly drawn into the lives of the other riders. The simple question "who are you?" is the beginning of an adventure Cali never dreamed of. Join Cali in getting to know the ordinary, extraordinary riders on Bus 13.

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.

Aurora Keys has dreamed of the Vanderlind Castle ever since she was a little girl. But the fiercely private Vanderlinds keep the massive structure strictly off limits to visitors...until one night the wealthy family throws a party, and Aurora's best friend, Blossom, devises a foolproof plan for the two of them to sneak in....

Not everybody at Avalon High is who they appear to be, not even, as new student Ellie is about to discover, herself. What part does she play in the drama that is unfolding? What if the bizarre chain of events and coincidences she has pieced together means, as with the court of King Arthur, tragedy is fast approaching Avalon High?

Harrison Harrison - H2 to his mom - is a lonely teenager who's been terrified of the water ever since he was a toddler in California, when a huge sea creature capsized their boat, and his father vanished. One of the "sensitives" who are attuned to the supernatural world, Harrison, along with his mother, has just moved to the worst possible place for a boy like him.

When best friends Dak Smyth and Sera Froste stumble upon the secret of time travel - a hand-held device known as the Infinity Ring - they're swept up in a centuries-long secret war for the fate of mankind. Recruited by the Hystorians, a secret society that dates back to Aristotle, the kids learn that history has gone disastrously off course. Now it's up to Dak, Sera, and teenage Hystorian-in-training Riq to travel back in time to fix the Great Breaks . . . and to save Dak's missing parents while they're at it.