"Yaqui Delgado wants to kick your ass." That’s what some girl tells Piddy Sanchez one morning before school. Too bad Piddy doesn’t even know who Yaqui Delgado is, let alone what she’s done to piss her off. All Piddy knows is that Yaqui hates her - and she better watch her back because Yaqui isn’t kidding. At first Piddy just focuses on trying to find out more about the father she’s never met and how to balance honors courses with her job at the neighborhood hair salon. But as the harassment escalates, avoiding Yaqui starts to take over Piddy’s life.

From her first moment at Merryweather High, Melinda Sordino knows she's an outcast. She busted an end-of-summer party by calling the cops, a major infraction in high-school society, so her old friends won't talk to her, and people she doesn't know glare at her. She retreats into her head, where the lies and hypocrisies of high school stand in stark relief to her own silence, making her all the more mute.

No one in her sixth-grade class knows quite what to make of Ms. Loupe, with her short hair, her taped square "stage" on the floor, and her interest in improvisational theatre. After all, their school is on an Air Force base - a place that values discipline more than improv. But her students soon come to love her fresh approach; and when her dear brother goes missing in Afghanistan, and Ms. Loupe herself breaks down, they band together to support their teacher.

By sixth grade, Miranda and her best friend, Sal, know how to navigate their New York City neighborhood. They know where it's safe to go, like the local grocery store, and they know whom to avoid, like the crazy guy on the corner.

But things start to unravel. Sal gets punched by a new kid for what seems like no reason, and he shuts Miranda out of his life. The apartment key that Miranda's mom keeps hidden for emergencies is stolen. And then Miranda finds a mysterious note.

The first time she saw him, she flipped. The first time he saw her, he ran. That was the second grade, but not much has changed by the seventh. Juli says, "My Bryce. Still walking around with my first kiss." He says, "It's been six years of strategic avoidance and social discomfort." But in the eighth grade, everything gets turned upside down: Just as Bryce is thinking that there's maybe more to Juli than meets the eye, she's thinking that he's not quite all he seemed.

While looking out the window with her grandma's binoculars, Sammy witnesses a crime across the street at the Heavenly Hotel. What's worse, the thief saw her spying! As Sammy attempts to find the burglar who has made several other hits in the neighborhood, she finds herself trying to keep him from uncovering her - or worse, the police discovering that she's living illegally with her grandmother in the seniors-only housing!

Nicky Roth has always been a lonely kid. But that all changes when he and his family move to Raven Brooks and meet their eccentric neighbors, the Petersons. Nicky befriends the Petersons' son, Aaron, bonding over their talents for tinkering. Soon the boys are inseparable and using their skills to pull pranks on the townspeople. But something about Aaron bothers Nicky - people seem almost afraid of him and his family.

When Alexis's little sister Kasey becomes obsessed with an antique doll, Alexis thinks she is just being her usual weird self. Things get weirder, though, when their house starts changing. Doors open and close by themselves; water boils on the unlit stove; and an unplugged air conditioner blasts cold air.

When a book of unexplainable occurrences brings Petra Andalee and Calder Pillay together, strange things start to happen: seemingly unrelated events connect, an eccentric old woman seeks their company, and an invaluable Vermeer painting disappears.

Bobby Phillips is an average 15-year-old boy. Until the morning he wakes up and can't see himself in the mirror. Not blind, not dreaming, Bobby is just plain invisible. There doesn't seem to be any rhyme or reason to Bobby's new condition; even his dad the physicist can't figure it out. For Bobby that means no school, no friends, no life. He's a missing person. Then he meets Alicia. She's blind, and Bobby can't resist talking to her, trusting her.

The marshals are looking for the perfect girl to join a mother, father, and son on the run from the nation's most notorious criminals. After all, the bad guys are searching for a family with one kid, not two, and adding a streetwise girl who knows a little something about hiding things may be just what the marshals need. Nicki swears she can keep the Trevor family safe, but to do so she'll have to dodge hit men, cyberbullies, and the specter of standardized testing, all while maintaining her marshal-mandated B-minus average.

Eleven-year-old Perry was born and raised by his mom at the Blue River Co-ed Correctional Facility in tiny Surprise, Nebraska. His mom is a resident on Cell Block C, and so far Warden Daugherty has made it possible for them to be together. That is, until a new district attorney discovers the truth - and Perry is removed from the facility and forced into a foster home.

In Baker, Washington, three popular student athletes lie in incoherent comas, with loss of muscle coordination, severe paranoia, and hallucinations. It's whispered that they're victims of Abel Frye—a curse that's haunted the school since a student died there in the 1930s. Now the curse is spreading, and students are running scared. The Veritas Project must go undercover to find the truth...before it's too late.

Five months ago, Valerie Leftman's boyfriend, Nick, opened fire on their school cafeteria. Shot trying to stop him, Valerie inadvertently saved the life of a classmate, but was implicated in the shootings because of the list she helped create. A list of people and things she and Nick hated. The list he used to pick his targets. Now, after a summer of seclusion, Val is forced to confront her guilt as she returns to school to complete her senior year.

Where is Early's father? He's not the kind of father who you think would disappear. But he's gone. And he's left a whole lot of trouble behind. As danger closes in, Early, her mom, and her brother have to flee their apartment. With nowhere else to go, they are forced to move into Chicago's shelter system. Once there, Early starts asking questions and looking for answers. There are patterns and rhythms to what's happened, and Early might be the only one who can use them to track him down and make her way out of a very tough place.