When eleven-year-old Hank’s mom doesn’t come home, he takes care of his toddler sister, Boo, like he always does. But it’s been a week now. They are out of food and mom has never stayed away this long… Hank knows he needs help, so he and Boo seek out the stranger listed as their emergency contact. But asking for help has consequences. It means social workers, and a new school, and having to answer questions about his mom that he's been trying to keep secret. And if they can't find his mom soon, Hank and Boo may end up in different foster homes—he could lose everything.

Summer, 1940. Nineteen-year-old Jakob Novis and his quirky younger sister Lizzie share a love of riddles and puzzles. And now they’re living inside of one. The quarrelsome siblings find themselves amidst one of the greatest secrets of World War II—Britain’s eccentric codebreaking factory at Bletchley Park. As Jakob joins Bletchley’s top minds to crack the Nazi's Enigma cipher, fourteen-year-old Lizzie embarks on a mission to solve the mysterious disappearance of their mother.

Helen and Gracie are pranking their way through middle school when a stinky stunt lands them in the front office—again. Because nothing else has curbed their chaos, the principal orders the best friends to do the unthinkable: care about something. So they join the school's Community Action Club with plans to do as little as humanly possible. But when Helen is caught unprepared by an early period and bleeds through her pants— they were gold lamé!—the girls take over the club's campaign for maxi pads in bathrooms for all students who menstruate.

Ava Baldwin has always tried to keep her anger in check, just like her mom taught her. But when know-it-all classmate Owen King tries to speak over her yet again, Ava explodes . . . and Owen freezes, becoming totally unresponsive. Although Owen recovers, Ava's parents whisk her off to her mother’s alma mater, the Accademia del Forte, a mysterious international boarding school in Venice.

Jake volunteers at a nursing home because he likes helping people. He likes skating and singing, playing Bingo and Name That Tune, and reading mysteries and comics aloud to his teachers. He also likes avoiding people his own age . . . and the cruelty of mirrors . . . and food. Jake has read about kids like him in books—the weird one, the outsider—and would do anything not to be that kid, including shrink himself down to nothing. But the less he eats, the bigger he feels. How long can Jake punish himself before he truly disappears?

Seventh grader Wendy Toledo knows that black holes and immigration police have one thing in common: they can both make things disappear without a trace. When her family moves to a new all-American neighborhood, Wendy knows the plan: keep her head down, build a telescope that will win the science fair, and stay on her family’s safe orbit.

Seventh grade begins, and Kareem’s already fumbled it. His best friend moved away, he messed up his tryout for the football team, and because of his heritage, he was voluntold to show the new kid—a Syrian refugee with a thick and embarrassing accent—around school. Just when Kareem thinks his middle school life has imploded, the hotshot QB promises to get Kareem another tryout for the squad. There’s a catch: to secure that chance, Kareem must do something he knows is wrong.

Sharkita “Kita” Hayes is always waiting. Waiting for her mama to mess up. Waiting for social services to be called again. Waiting for her and her siblings to be separated. Waiting for her worst fear to come true. But Mama promises things are different now. She’s got a good job, she’s stopped drinking, stopped going out every night—it’s almost enough to make Kita believe her this time. But even as Kita’s life is going good, she can’t shake the feeling that everything could go up in flames at any moment.

It’s the last few months of eighth grade, and Isaiah feels lost. He thought his summer was going to be him and his boys Drew and Darius, hanging out, doing wheelies, watching martial arts movies, and breaking tons of Guinness World Records before high school. But now, more and more, Drew seems to be fading from their friendship, and though he won’t admit it, Isaiah knows exactly why. Because Darius is…gone.

Some would call River Rydell a ‘chosen one’: born with the ability to see monsters and travel to a terrifying spirit world called The Otherwoods, they have all the makings of a hero. But River just calls themself unlucky. After all, it’s not like anyone actually believes River can see these things—or that anyone even believes monsters exist in the first place. So the way River sees it, it’s better to keep their head down and ignore anything Otherwoods related. But The Otherwoods won’t be ignored any longer.