The diary of twelve year old Anne Frank written during World War II.
In the year 241, twelve-year-old Lina trades jobs on Assignment Day to be a Messenger to run to new places in her decaying but beloved city, perhaps even to glimpse Unknown Regions.
Twelve-year-old genius and outsider Willow Chance must figure out how to connect with other people and find a surrogate family for herself after her parents are killed in a car accident.
Uncovering an ancient evil, Serafina, a mermaid of the Mediterranean Sea, searches for five other mermaid heroines who are scattered across the six seas, to save their hidden world.
Given his lifetime assignment at the Ceremony of Twelve, Jonas becomes the receiver of memories shared by only one other in his community and discovers the terrible truth about the society in which he lives.
As Bridge makes her way through seventh grade on Manhattan's Upper West Side with her best friends, curvacious Em, crusader Tab, and a curious new friend--or more than friend--Sherm, she finds the answer she has been seeking since she barely survived an accident at age eight: "What is my purpose?"
Rescued from the outrageous neglect of his aunt and uncle, a young boy with a great destiny proves his worth while attending Hogwarts School of Witchcraft and Wizardry.
In a future North America, where the rulers of Panem maintain control through an annual televised survival competition pitting young people from each of the twelve districts against one another, sixteen-year-old Katniss's skills are put to the test when she voluntarily takes her younger sister's place.
After learning that he is the son of a mortal woman and Poseidon, god of the sea, twelve-year-old Percy is sent to a summer camp for demigods like himself, and joins his new friends on a quest to prevent a war between the gods.
Chronicles the joys and sorrows of the four March sisters as they grow into young ladies in nineteenth-century New England.
Jason, Piper, and Leo, three students from a school for "bad kids," find themselves at Camp Half-Blood, where they learn that they are demigods and begin a quest to free Hera, who has been imprisoned by Mother Earth herself.
Twelve-year-old Abilene Tucker is the daughter of a drifter who, in the summer of 1936, sends her to stay with an old friend in Manifest, Kansas, where he grew up, and where she hopes to find out some things about his past.
From the day she arrives at quiet Mica High in a burst of color and sound, the hallways hum with the murmur of "Stargirl, Stargirl." She captures Leo Borlock's heart with just one smile. She sparks a school-spirit revolution with just one cheer. The students of Mica High are enchanted. At first. Then they turn on her.
Twelve-year-old Elodie journeys to Two Castles in hopes of studying acting but instead becomes apprentice to adragon, who teaches her to be observant and use reasoning, thus helping her to uncover who is poisoning the king.
The Tuck family is confronted with an agonizing situation when they discover that a ten-year-old girl and a malicious stranger now share their secret about a spring whose water prevents one from ever growing any older.
In a society that purges thirteen-year-olds who are creative, identical twins Aaron and Alex are separated, one to attend University while the other, supposedly Eliminated, finds himself in a wondrous place where youths hone their abilities and learn magic.
As her mother prepares to be a contestant on the 1980s television game show, "The $20,000 Pyramid," a twelve-year-old New York City girl tries to make sense of a series of mysterious notes received from an anonymous source that seems to defy the laws of time and space.
Ten-year-old Auggie Pullman, who was born with extreme facial abnormalities and was not expected to survive, goes from being home-schooled to entering fifth grade at a private middle school in Manhattan, which entails enduring the taunting and fear of his classmates as he struggles to be seen as just another student.
Meg Murry and her friends become involved with unearthly strangers and a search for Meg's father, who has disappeared while engaged in secret work for the government.