Eleven-year-old Kemi Carter loves scientific facts, specifically probability. It's how she understands the world and her place in it. Kemi knows her odds of being born were 1 in 5.5 trillion, and that the odds of her having the best family ever were even lower. Yet somehow, Kemi lucked out. But everything Kemi thought she knew changes when she sees an asteroid hover in the sky, casting a purple haze over her world. Amplus-68 has an 84.7% chance of colliding with earth in four days, and with that collision, Kemi’s life as she knows it will end.

Herc Beal knows who he's named after—a mythical hero—but he's no superhero. He's the smallest kid in his class. So when his homeroom teacher at his new middle school gives him the assignment of duplicating the mythical Hercules's amazing feats in real life, he's skeptical. After all, there are no Nemean Lions on Cape Cod—and not a single Hydra in sight.

Maudie always looks forward to the summers she spends in California with her dad. But this year, she must keep a troubling secret about her home life—one that her mom warned her never to tell. Maudie wants to confide in her dad about her stepdad's anger, but she’s scared. When a wildfire strikes, Maudie and her dad are forced to evacuate to the beach town where he grew up. It’s another turbulent wave of change. But now, every morning, from their camper, Maudie can see surfers bobbing in the water. She desperately wants to learn, but could she ever be brave enough?

Will is the only round kid in a school full of thin ones. So he hides…in baggy jeans and oversized hoodies, in the back row during class, and anywhere but the cafeteria during lunch. But shame isn’t the only feeling that dominates Will’s life. He’s also got a crush on a girl named Jules who he knows he doesn’t have a chance with, because of his size—but he can’t help wondering what if? Will’s best shot at attracting Jules’s attention is by slaying the Will Monster inside him by changing his eating habits and getting more exercise.

After Avalyn nearly died from an asthma attack, her parents moved her to the clear, dry air of Clear Canyon City, Arizona. And for the last ten years, she’s been able to breathe. That is, until Adam showed up. Quiet and unkempt, Adam is an instant target for the bullies who have plagued Avalyn and her friends. As Avalyn gets to know him, she begins to suspect that the sudden, strange increase in dust storms around town are somehow connected to his emotions.

Mia Tang has a lot of secrets. Number one: She lives in a motel, not a big house. Every day, while her immigrant parents clean the rooms, 10-year-old Mia manages the front desk of the Calivista Motel and tends to its guests. Number two: Her parents hide immigrants. And if the mean motel owner, Mr. Yao, finds out they've been letting them stay in the empty rooms for free, the Tangs will be doomed. Number three: She wants to be a writer. But how can she when her mom thinks she should stick to math because English is not her first language?

Bell has spent his whole life—all eleven years of it—on Mars. But he's still just a regular kid—he loves cats and any kind of cake, and is curious about the secrets the adults in the US colony are keeping. Like, why don't they have contact with anyone on the other Mars colonies? Why are they so isolated? When a virus breaks out and the grown-ups all fall ill, Bell and the other children are the only ones who can help. It's up to Bell—a regular kid in a very different world—to uncover the truth and save his family...and possibly unite an entire planet.

Drew was never much of a runner. Until his dad’s unexpected diagnosis. Mia has nothing better to do. Until she realizes entering Half Moon Bay’s half-marathon could solve her family’s housing problems. And just like that they decide to spend their entire summer training to run 13.1 miles. Drew and Mia have very different reasons for running, but these two twelve year olds have one crucial thing in common (besides sharing a birthday): Hope. For the future. For their families. And for each other.

Bex and Davey's summer in the saltmarsh is different this year, thanks to the record-breaking drought. Even the fish seem listless - and each day the water level lowers farther. When they discover a mysterious underwater statue, they're thrilled at the chance to solve the puzzle of its origin. This is the summer adventure they've been waiting for. When they learn of a development plan that will destroy their special spot, they'll need to act quickly. Unfortunately, sometimes progress happens whether you're ready or not.

For most of her life, Lacey has been a prisoner without even realizing it. Her dad rarely let her, her little sister, or her mama out of his sight. But their situation changes suddenly and dramatically the day her grandparents arrive to help them leave. It’s the beginning of a different kind of life for Lacey, and at first she has a hard time letting go of her dad’s rules. Gradually though, his hold on her lessens, and her days become filled with choices she’s never had before.

Reef and Theo don't know what's happening to them. They'll be going about their days and then suddenly they'll have these strange flashes of memory—but the memories don't belong to them. And at the same time, their own memories are starting to... vanish. For Reef, this is a big problem, because memories are all he has left of his mom. For Theo, it's strange because the new memories give him a freedom he doesn't have with his domineering dad.

When Mac first opens his classroom copy of Jane Yolen's The Devil's Arithmetic and finds some words blacked out, he thinks it must be a mistake. But then when he and his friends discover what the missing words are, he's outraged. Someone in his school is trying to prevent kids from reading the full story. But who? Even though his unreliable dad tells him to not get so emotional about a book (or anything else), Mac has been raised by his mom and grandad to call out things that are wrong.

Hannah and Finn have spent every Christmas together since college. Neither has anywhere else to go—Hannah’s parents died, and Finn’s disowned him when he came out. Their tradition of offbeat holiday adventures only grows more outrageous with time. When the pair starts their adult lives in New York City, they add stylish Priya and mysterious Theo to the group, solidifying a found family and sense of belonging they’ve always craved.

Twelve-year-old Nova is eagerly awaiting the launch of the space shuttle Challenger - it's the first time a teacher is going into space, and kids across America will watch the event on live TV in their classrooms. Nova and her big sister, Bridget, share a love of astronomy and the space program. They planned to watch the launch together. But Bridget has disappeared, and Nova is in a new foster home. While foster families and teachers dismiss Nova as severely autistic and nonverbal, Bridget understands how intelligent and special Nova is, and all that she can't express.

At eight years old, Tuesday Storm's childhood is forever lost when the death of her older sister Audrey sends her family spiraling out of control into the darkest of dysfunction. In the wake of the tragedy, Tuesday's mother, distraught and looking for a scapegoat, singles Tuesday out from her siblings to take on the blame for Audrey's death, and then targets her for unspeakable abuse.

Growing up in an affluent suburb of New York City, 16-year-old Nevaeh Levitz never thought much about her biracial roots. When her Black mom and Jewish dad split up, she relocates to her mom's family home in Harlem and is forced to confront her identity for the first time. Nevaeh wants to get to know her extended family, but because she inadvertently passes as white, her cousin thinks she's too privileged, pampered, and selfish to relate to the injustices African Americans face on a daily basis.

Jude never thought she’d be leaving her beloved older brother and father behind, all the way across the ocean in Syria. But when things in her hometown start becoming volatile, Jude and her mother are sent to live in Cincinnati with relatives. At first, everything in America seems too fast and too loud. The American movies that Jude has always loved haven’t quite prepared her for starting school in the US - and her new label of “Middle Eastern”, an identity she’s never known before. But this life also brings unexpected surprises.

When Ari's mother died four years ago, she had two final wishes: that Ari and her older brother, Gage, would stay together always, and that Ari would go to Carter, the middle school for gifted students. So when eighteen-year-old Gage decided he could no longer live with their bossy guardian, Janna, Ari knew she had to go with him - even though she'd miss baking cookies with Janna and curling up to watch HGTV. What Ari didn't realize was that Gage didn't have an apartment yet.

Amina has never been comfortable in the spotlight. She is happy just hanging out with her best friend, Soojin. Except now that she's in middle school everything feels different. Soojin is suddenly hanging out with Emily, one of the "cool" girls in the class, and even talking about changing her name to something more "American." Does Amina need to start changing too? Or hiding who she is to fit in? While Amina grapples with these questions, she is devastated when her local mosque is vandalized.

It's 1969, and the Apollo 11 mission is getting ready to go to the moon. But for half-black, half-Japanese Mimi, moving to a predominantly white Vermont town is enough to make her feel alien. Suddenly, Mimi's appearance is all anyone notices. She struggles to fit in with her classmates, even as she fights for her right to stand out. This historical middle-grade novel is told in poems from Mimi's perspective over the course of one year in her new town, and shows listeners that positive change can start with just one person speaking up.

Liz Murray was born to loving but drug-addicted parents in the Bronx. In school she was taunted for her dirty clothing and lice-infested hair, eventually skipping so many classes that she was put into a girls' home. At age 15, Liz found herself on the streets when her family finally unraveled. She learned to scrape by, foraging for food and riding subways all night to have a warm place to sleep. Then, when Liz's mother died of AIDS, she decided to take control of her own destiny.

In Scarborough, a low-income urban neighborhood, three kids struggle to rise above poverty, abuse, and a system that consistently fails them. The adults in their lives either rise to the occasion or fall by the wayside; together, they make up a troubled yet inspired community that refuses to be undone.

Film fanatic Adam is 17 and being asked out on his first date—and the guy is cute. Heart racing, Adam accepts, quickly falling in love with Callum like the movies always promised. Fashion-obsessed Ben is 18 and has just left his home upstate after his mother discovers his hidden stash of gay magazines. When he comes to New York City, Ben’s sexuality begins to feel less like a secret and more like a badge of honor. Then Callum disappears, leaving Adam heartbroken, and Ben finds out his new world is more closed-minded than he thought.

Carolyn Mackler's Printz Honor book - starring the unforgettably funny, body-conscious Virginia Shreves - returns in this 15th anniversary edition featuring text updates and never-before-heard material from the author. Fifteen-year-old Virginia feels like a plus-sized black sheep in her family, especially next to her perfect big brother Byron. Not to mention her best friend has moved, leaving Virginia to navigate an awkward relationship with a boy alone. In order to survive, Virginia decides to follow a "Fat Girl Code of Conduct", which works, until the unthinkable causes her family's facade to crumble.

Things to know about Billy Miller: He's worried about second grade; he thinks bats are cool; his little sister is annoying; he had a spectacular accident this summer; he doesn't like poetry much; his dad makes really good cookies; Ned is his best friend; his mom likes rainy days; he thinks Emma Sparks is a pain; he can run really fast; this is his year.

In 1961, two years after the Communist revolution, Lucía Álvarez still leads a carefree life, dreaming of parties and her first crush. But when the soldiers come to her sleepy Cuban town, everything begins to change. Freedoms are stripped away. Neighbors disappear. And soon, Lucía's parents make the heart-wrenching decision to send her and her little brother to the United States - on their own. Suddenly plunked down in Nebraska with well-meaning strangers, Lucía struggles to adapt to a new country, a new language, a new way of life. But what of her old life?

Seventh grader Estefania "Stef" Soto is itching to shake off the onion-and-cilantro embrace of Tia Perla, her family's taco truck. She wants nothing more than for her dad to get a normal job and for Tia Perla to be put out to pasture. It's no fun being known as the "Taco Queen" at school. But just when new city regulations are proposed, and her family's livelihood is threatened, she will have to become the truck's unlikely champion.

You're going to fall in love with My True Love Gave to Me: Twelve Holiday Stories by twelve bestselling young adult writers, edited by the international bestselling Stephanie Perkins. Whether you celebrate Christmas or Hanukkah, Winter Solstice or Kwanzaa, there's something here for everyone. So curl up by the fireplace and get cozy. You have twelve reasons this season to stay indoors and fall in love.

Almost 16-year-old Aria Jones is starting over. New postal code, new last name, new rules. Now she can leave her painful regrets behind. In the bustling town of Eastmonte, she can become someone else. Someone better. With the Hartford family living next door, it seems she will succeed. Sure, Cassie Hartford may be the epitome of social awkwardness thanks to her autism, but she also offers an innocent and sincere friendship. And Cassie's older brother, Emmett - a popular Junior-A hockey player - well...Aria wishes that friendship could lead to something more.

For fourteen-year-old Leah Payne, life in her beloved coastal Carolina town is worlds away from the harsh realities of the day. Loyal to her lumberjack father, she knows only of the familiarity of her small community, the magic of the natural world, and the creative intuition that prompts her to march to the beat of her own drum. But when an accident takes her father's life, leaving her an orphan, Leah finds herself cast into a family of strangers whose welcoming façade hides a terrible secret.