Aila Quinn's mother, Juliet, has always been a mystery. Vibrant yet guarded, she keeps her secrets beyond Aila's reach. When Juliet dies, Aila and her younger brother, Miles, are sent to live in Sterling, a rural town with mysteries of its own. In Sterling, the experiences that weave life together - scents of flowers and food, reflections from mirrors and lakes, even the ability to dream - vanish every seven years. No one knows what causes these Disappearances or what will slip away next.

Ten-year-old Della has always had her older sister, Suki: When their mom went to prison, Della had Suki. When their mom's boyfriend took them in, Della had Suki. When that same boyfriend did something so awful they had to run fast, Della had Suki. Suki is Della's own wolf - her protector. But who has been protecting Suki? Della might get told off for swearing at school, but she has always known how to keep quiet where it counts.

Engagement season is in the air. Eighteen-year-old Princess Leonie "Leo" Kolburg, heir to a faded European spaceship, has only one thing on her mind: which lucky bachelor can save her family from financial ruin? But when Leo’s childhood friend and first love, Elliot, returns as the captain of a successful whiskey ship, everything changes. Elliot was the one who got away, the boy Leo’s family deemed to be unsuitable for marriage. Now he’s the biggest catch of the season, and he seems determined to make Leo’s life miserable.

Regan Fitz and Elliot Mason have been enemies since they started training to become Glitchers - people who travel through time to preserve important historical events. But everything changes when they find a letter from Regan’s future self, warning them about an impending disaster that threatens them and everyone they know.

It is 1943, and for four years, 16-year-old Stefania has been working for the Diamant family in their grocery store in Przemsyl, Poland, singing her way into their lives and hearts. She has even made a promise to one of their sons, Izio - a betrothal they must keep secret since she is Catholic and the Diamants are Jewish.

Cash, who loves basketball but has a newly broken wrist, is in danger of failing seventh grade for the second time. Fitch spends every afternoon playing Major Havoc at the arcade on Main and wrestles with an explosive temper that he doesn’t understand. And Bird, his 12-year-old twin, dreams of being NASA’s first female shuttle commander, but feels like she’s disappearing.

Avery Grambs has a plan for a better future: Survive high school, win a scholarship, and get out. But her fortunes change in an instant when billionaire Tobias Hawthorne dies and leaves Avery virtually his entire fortune. The catch? Avery has no idea why - or even who Tobias Hawthorne is. To receive her inheritance, Avery must move into sprawling, secret passage-filled Hawthorne House, where every room bears the old man's touch - and his love of puzzles, riddles, and codes.

Nineteen-year-old Nell Hallam, an exceptionally talented pianist, aspires to attend the Royal Academy; but with tuition beyond her means, Nell sets out to earn the money herself - by playing piano in a popular Soho music hall. She will have to disguise herself as a man and slip out at night to do it. Spending evenings at the Octavian is like entering an alternate world - one of dark secrets. And when Nell stumbles upon the operations of an infamous crime ring working in the shadows of the music hall, she is drawn into a conspiracy that stretches the length of London.

Six hundred and fifty-seven days ago, Meg Kenyon's father left their home in France to fight for the Allies in World War II, and that was the last time Meg saw him. Recently, she heard he was being held prisoner by the Nazis, a terrible sentence from which Meg fears he'll never return. Suddenly, an impossible chance to save her father falls into Meg's lap. After following a trail of blood in the snow, Meggie finds an injured British spy hiding in her grandmother's barn.

Things never seem to go as easily for 13-year-old Frankie as they do for her sister, Tess. Unlike Tess, Frankie is neurodivergent. In her case, that means she can't stand to be touched, loud noises bother her, she's easily distracted, she hates changes in her routine, and she has to go see a therapist while other kids get to hang out at the beach. It also means Frankie has trouble making friends. She did have one - Colette - but they're not friends anymore. It's complicated. Then, just weeks before the end of seventh grade, Colette unexpectedly shows up at Frankie's door.

Romania, 1989. Communist regimes are crumbling across Europe. Seventeen-year-old Cristian Florescu dreams of becoming a writer, but Romanians aren’t free to dream; they are bound by rules and force. Amidst the tyrannical dictatorship of Nicolae Ceaușescu in a country governed by isolation and fear, Cristian is blackmailed by the secret police to become an informer. He’s left with only two choices: betray everyone and everything he loves—or use his position to creatively undermine the most notoriously evil dictator in Eastern Europe.

One year after a random shooting changed their family forever, Nora and her father are exploring a slot canyon deep in the Arizona desert, hoping it will help them find peace. Nora longs for things to go back to normal, like they were when her mother was still alive, while her father keeps them isolated in fear of other people. But when they reach the bottom of the canyon, the unthinkable happens: A flash flood rips across their path, sweeping away Nora's father and all of their supplies.

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.

Emery Blackwood’s life changed forever the night her best friend was found dead and the love of her life, August Salt, was accused of murdering her. Years later, she is doing what her teenage self swore she never would: living a quiet existence on the misty, remote shores of Saoirse Island and running the family’s business, Blackwood’s Tea Shoppe Herbal Tonics & Tea Leaf Readings. But when the island, rooted in folklore and magic, begins to show signs of strange happenings, Emery knows that something is coming.

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.