Twelve-year-old Jolene spends every day she can at the library watching her favorite livestream: The Desert Aviator, where twelve-year-old "Addie Earhart" shares her adventures flying an ultralight plane over the desert. While watching this daring girl fly through the sky, Jolene can dream of what it would be like to fly with her, far away from her own troubled home life where her mother struggles with a narcotic addiction. And Addie, who is grieving the loss of her father, finds solace in her online conversations with Jolene, her biggest - and only - fan.

Ivette. Joanna. And now: Katrina. Whatever her name is, it won’t last long. Katrina doesn’t know any of the details about her past, but she does know that she and her parents are part of the Witness Protection Program. Whenever her parents say they have to move on and start over, she takes on a new identity. A new name, new hair color, new story. Until their location leaks and her parents disappear. Katrina embarks on a dangerous rescue mission to save them - and find out the truth of her past at last.

September 11, 2001, New York City: Brandon is visiting his dad at work, on the 107th floor of the World Trade Center. Out of nowhere, an airplane slams into the tower, creating a fiery nightmare of terror and confusion. And Brandon is in the middle of it all. Can he survive - and escape? September 11, 2020, Afghanistan: Reshmina has grown up in the shadow of war, but she dreams of peace and progress. When a battle erupts in her village, Reshmina stumbles upon a wounded American soldier named Taz. Should she help Taz - and put herself and her family in mortal danger?

When 12-year-old Maddie hatches a scheme for a secret sleepover with her two best friends, she ends up waking up to a nightmare. She’s alone - left behind in a town that has been mysteriously evacuated and abandoned. With no one to rely on, no power, and no working phone lines or internet access, Maddie slowly learns to survive on her own. Her only companions are a Rottweiler named George and all the books she can read. After a rough start, Maddie learns to trust her own ingenuity and invents clever ways to survive in a place that has been deserted and forgotten.

After her brother's death from a congenital heart defect, 12-year-old Lucy is not prepared to be the new kid at school - especially in a grade full of survivors of a shooting that happened four years ago. Without the shared past that both unites and divides her classmates, Lucy feels isolated and unable to share her family's own loss, which is profoundly different from the trauma of her peers.

Twenty years ago, a door opened between the world of humans and the Netherwhere, allowing all kinds of otherworldly creatures entry. Some, like the kelpies and fairies, who like to bite, are best avoided. But the gargoyles are wise and wonderful, and show a special affection for humans. Vicky has grown up under the watchful eye of a gargoyle named Rupert, and excels at sword-fighting and magic. But there's so much she doesn't know.

It is 1940 and William, 12, Edmund, 11, and Anna, nine, aren't terribly upset by the death of the not-so-grandmotherly grandmother who has taken care of them since their parents died. But the children do need a guardian, and in the dark days of World War II London, those are in short supply, especially if they hope to stay together. Could the mass wartime evacuation of children from London to the countryside be the answer? 

It's been two weeks since Polly St. James went missing. The police, the headmistress of Torrey-Wells Academy, and even her parents have ruled her a runaway. But not Maren, her best friend and roommate. She knows Polly had a secret that she was about to share with Maren before she disappeared—something to do with the elite, ultra-rich crowd at Torrey-Wells. Then Maren finds an envelope hidden among Polly's things: an invitation to the Gamemaster's Society.

Twelve-year-old Eddie Gordon Holloway has concocted his most genius plan ever to avoid chores...especially the dreaded L-A-UN-D-R-Y. If he can wear all the clothes he owns, he'll only have to do the laundry once during his school break.

Simon O'Keeffe's biggest claim to fame should be the time his dad accidentally gave a squirrel a holy sacrament. Or maybe the alpaca disaster that went viral on YouTube. But the story the whole world wants to tell about Simon is the one he'd do anything to forget: the story in which he's the only kid in his class who survived a school shooting. Two years after the infamous event, twelve-year-old Simon and his family move to the National Quiet Zone—the only place in America where the internet is banned.