Three young friends - Leo, Elsa, and Max - spend a perfect day together, unaware that around them Europe is descending into a growing darkness and that they will soon be cruelly ripped apart from one another. With their lives taking them across Europe - to Germany, England, Prague, and Poland - will they ever find their way back to one another? Will they want to?

When Stella and her younger brother, Tom, move to their new London home, they become mystified by the disappearances of Harry, their elderly neighbor's small dog. Where does he go? And why does he keep reappearing wet-through? Their quest to solve the riddle over the summer holidays leads to a boat buried under a grassy mound, and a tunnel that takes them to a secret lake.

Cat and her brother Chicken have always had a very special bond. When Chicken has a meltdown, Cat’s the one who scratches his back and reads his favorite story. She always knows what he needs. Since their mom has had to work double-hard to keep their family afloat after their father passed away, Cat is the glue holding her family together. When a summer trip doesn’t go as planned, Cat and Chicken end up spending three weeks with grandparents they’ve never met. With their help, Cat can be a kid again for the first time in years.

The universe, in its farthest recesses, unbeknownst to humankind, has abetted the creation of a sinister entity, a malign force capable of rearing bedlam and instilling fear to all that has life. With the world’s impending destruction carefully insured by the extraterrestrial body that lurks in the glitches of nature, life as we know it hangs by a precariously thin thread. Meanwhile, around the globe, uneasiness continues to foster - world leaders have finally taken notice of the invisible enemy.

Eleven-year-old Charlie Reese has been making the same secret wish every day since fourth grade. But when she is sent to the Blue Ridge Mountains of North Carolina to live with family she barely knows, it seems unlikely that her wish will ever come true. That is until she meets Wishbone, a skinny stray dog who captures her heart, and Howard, a neighbor boy who proves surprising in lots of ways. Suddenly Charlie is in serious danger of discovering that what she thought she wanted may not be what she needs at all.

Twelve-year-old cousins Sophie and Jessica don’t have much in common. Sophie loves hiking and her small town. Jessica would rather be shopping in a city. The only mystery is how they’ll be able to spend the summer together. Then they find a briefcase in the forest with a surprise inside. When they hear footsteps behind them and bad guys run after them, they have no choice but to work together to solve the mystery of the feather chase.

When Lily and her family move in with her sick grandmother, a magical tiger straight out of her halmoni's Korean folktales arrives, prompting Lily to unravel a secret family history. Long, long ago, Halmoni stole something from the tigers. Now they want it back. And when one of the tigers approaches Lily with a deal - return what her grandmother stole in exchange for Halmoni's health - Lily is tempted to agree. But deals with tigers are never what they seem! With the help of her sister and her new friend Ricky, Lily must find her voice...and the courage to face a tiger.

The moving story of an orphan, determined to know her own history, who discovers the true meaning of family. Twelve-year-old Crow has lived her entire life on a tiny, isolated piece of the starkly beautiful Elizabeth Islands in Massachusetts. Abandoned and set adrift in a small boat when she was just hours old, Crow’s only companions are Osh, the man who rescued and raised her, and Miss Maggie, their fierce and affectionate neighbor across the sandbar.

Abby and her kid brother, Jonah, are just regular kids...until they find a magic mirror in their basement. The mirror is a portal that leads them into different fairy tales, from Snow White to Cinderella to The Little Mermaid. But in each story, nothing goes as planned, and it’s up to Abby to try to fix the happy endings - or maybe, sometimes, create better ones!

When her mother remarried and moved them to a town where a date meant hanging out at the Sonic, Laney figured that "boring" would have a whole new meaning. A new stepsister who despised her and a high school where she was the only topic of gossip were bad enough. But when she met the school counselor (and his terminal bad breath), she grew suspicious. Especially since he had wings that only she could see.

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.

Brian has always been anxious, whether at home, or in class, or on the basketball court. His dad tries to get him to stand up for himself, and his mom helps as much as she can, but after he and his brother are placed in foster care, Brian starts having panic attacks. And he doesn't know if things will ever be normal again. Ezra's always been popular. He's friends with most of the kids on his basketball team, even Brian, who usually keeps to himself. But now, some of his friends have been acting differently, and Brian seems to be pulling away.

Medical student Amy Brenner is spending the night on a locked psychiatric ward. Amy has been dreading her evening working on Ward D, the hospital’s inpatient mental health unit. There are very specific reasons why she never wanted to do this required overnight rotation. Reasons nobody can ever find out. And as the hours tick by, Amy grows increasingly convinced something terrible is happening within these tightly secured walls.

On the outside, Yumi Chung suffers from #shygirlproblems, a perm-gone-wrong, and kids calling her "Yu-MEAT" because she smells like her family's Korean barbecue restaurant. On the inside, Yumi is ready for her Netflix stand-up special. Her notebook is filled with mortifying memories that she's reworked into comedy gold. All she needs is a stage and courage.

It starts before you can even remember: You learn the rules for being a girl.... Marin has always been good at navigating these unspoken guidelines. A star student and editor of the school paper, she dreams of getting into Brown University. Marin’s future seems bright - and her young, charismatic English teacher, Mr. Beckett, is always quick to admire her writing and talk books with her. But when “Bex” takes things too far and comes on to Marin, she’s shocked and horrified. Had she somehow led him on? Was it her fault?

With a dad who disappeared years ago and a mother who's a bit too busy to parent, Emmy is shipped off to Wellsworth, a prestigious boarding school in England, where she's sure she won't fit in. But then she finds a box of mysterious medallions in the attic of her home - medallions that belonged to her father...who may have gone to Wellsworth.

It's wintertime at Greenglass House. The creaky smuggler's inn is always quiet during this season, and 12-year-old Milo, the innkeepers' adopted son, plans to spend his holidays relaxing. But on the first icy night of vacation, out of nowhere, the guest bell rings. Then rings again. And again. Soon Milo's home is bursting with odd, secretive guests, each one bearing a strange story that is somehow connected to the rambling old house.

When Danny discovers a taped-up box in his father's closet filled with old letters and a file on a powerful Silicon Valley family, he realizes there's much more to his family's past than he ever imagined. Danny has been an artist for as long as he can remember, and it seems his path is set, with a scholarship to RISD and his family's blessing to pursue the career he's always dreamed of. Still, contemplating a future without his best friend, Harry Wong, by his side makes Danny feel a panic he can barely put into words.

The missing don't always want to be found. Kate Harlow recognizes this painful truth, even as she keeps searching for her daughter, Sophie, who disappeared two years ago. The police have stopped investigating - after all, Sophie has sent postcards home, insisting that she's fine. Then one evening, as she volunteers at a charity helpline for missing teens, a call comes in from a voice Kate instinctively recognizes, even through bursts of static and beyond the sudden dial tone that breaks their connection. Those closest to Kate worry she's cracking under her grief....

It starts before you can even remember: You learn the rules for being a girl.... Marin has always been good at navigating these unspoken guidelines. A star student and editor of the school paper, she dreams of getting into Brown University. Marin’s future seems bright - and her young, charismatic English teacher, Mr. Beckett, is always quick to admire her writing and talk books with her. But when “Bex” takes things too far and comes on to Marin, she’s shocked and horrified. Had she somehow led him on? Was it her fault?

Cameron Boxer is very happy to spend his life avoiding homework, hanging out with his friends, and gaming for hours in his basement. It's not too hard for him to get away with it...until he gets so caught up in one game that he almost lets his house burn down around him. Oops. It's time for some serious damage control - so Cameron and his friends invent a fake school club that will make it seem like they're doing good deeds instead of slacking off. The problem? Some kids think the club is real.

My name is Chase Cooper, and I'm a 6th grade ninja. It's my first day at a different school and the only person I know is my cousin, Zoe (but she might be a little too cool for me). I was just another scrawny kid until a group of ninjas recruited me into their clan. It was a world of trouble I wasn't prepared for, which is why I kept this diary (or "chronicle" as my dad would call it) - to warn other kids about the dangers of becoming a ninja. They say history is destined to repeat itself...well, not if I can help it.

When a storm strikes at Blackbrook Academy, an elite prep school nestled in the woods of Maine, a motley crew of students - including Beth “Peacock” Picach, Orchid McKee, Vaughn Green, Sam “Mustard” Maestor, Finn Plum, and Scarlet Mistry - are left stranded on campus with their headmaster. Hours later, his body is found in the conservatory and it’s very clear his death was no accident. With this group of students who are all hiding something, nothing is as it seems, and everyone has a motive for murder.

Ever come across a situation that simply wasn't right - where someone was getting the dirty end of the stick and you wished you could make things right but didn't know how? Fourteen-year-old Jack knows how. Or rather he's learning how. He's discovering that he has a knack for fixing things. Not bikes or toys or appliances - situations...It all starts when Jack and his best friends, Weezy and Eddie, discover a rotting corpse - the victim of ritual murder - in the fabled New Jersey Pine Barrens. Beside the body is an ancient artifact carved with strange designs.

Kat and Stevie - best friends, theater kids, polar opposites - have snuck away from the suburbs to spend a night in New York City. They have it all planned out. They’ll see a play, eat at the city’s hottest restaurant, and have the best. Night. Ever. What could go wrong? Well. Kind of a lot? They’re barely off the train before they’re dealing with destroyed phones, family drama, and unexpected Pomeranians. Over the next few hours, they’ll have to grapple with old flames, terrible theater, and unhelpful cab drivers. But there are also cute boys to kiss, parties to crash....