Something is not right in Bayport. After a series of unfortunate (yet harmless) pranks, it looks like Frank and Joe have caught their suspect surprisingly early. Their classmate, Seth Diller, has taken his love of filmmaking a bit too far. But shortly after Frank and Joe confront Seth, there are fresh outbreaks of Seth-like pranks. Except these aren't as harmless. After a bit of investigating, the Hardy Boys uncover evidence of the Red Arrow - a group that will stop at nothing to bring chaos and crime to Bayport's peaceful existence.

When a thief steals the Applegate siblings' jewel collection from the Tower Mansion, the whole town of Bayport is left buzzing with questions. Who could have stolen it, and where could it be hidden? The Hardy boys are determined to find out, especially when their friend's father, Henry Robinson, is wrongly accused of the crime! From dusty old towers to secret secret passages, Frank and Joe will follow every clue they can to clear Mr. Robinson's name and reveal the true thief.

Dear Diary...Bess, George, and I are actually in Alaska! Everywhere you look, there are massive mountains and sparkling, deep-blue waters. We're on the maiden voyage of the Arctic Star luxury cruise ship, and my old friend, Becca Wright, the assistant cruise director, needs our help. She received threatening emails before even setting sail; then a bloody body turned up in the swimming pool.

Sara Martinez is a hacker. She recently broke into the New York City foster care system to expose her foster parents as cheats and lawbreakers. However, instead of being hailed as a hero, Sara finds herself facing years in a juvenile detention facility and banned from using computers for the same stretch of time. Enter Mother, a British spy who not only gets Sara released from jail but also offers her a chance to make a home for herself within a secret MI5 agency. Operating out of a base in Scotland, the City Spies are five kids from various parts of the world.

Ben Ripley may only be in middle school, but he's already pegged his dream job: CIA or bust. Unfortunately for him, his personality doesn't exactly scream "secret agent". In fact Ben is so awkward, he can barely get to school and back without a mishap. Because of his innate nerdiness, Ben is not surprised when he is recruited for a magnet school with a focus on science - but he's entirely shocked to discover that the school is actually a front for a junior CIA academy.

In the first volume of a new series for younger listeners, Nancy gets to show off her sleuthing abilities while at her friend Deirdre's sleepover. Everyone's excited for pizza, cake and even a movie. But when Deirdre's Hollywood Heather doll goes missing, the fun stops, and,Nancy springs into action.

What dark secret did the Founding Fathers of America hide, and who will stop at nothing to uncover it? Navy SEALs in-training, Dane Maddock and Bones Bonebrake can't be in the same room without trying to kill each other, but soon find themselves caught up in a race with a secret society to solve a mystery that dates back to the founding of America. Find out how it all began in the action-packed first Dane and Bones Origins novella...

Before Jake’s grandfather died, he was on the trail of a centuries-old mystery. And he has entrusted that mystery to Jake, leaving behind a set of hidden codes, riddles, maps, and other clues that lead Jake and his friends on a scavenger hunt into the heart of Colorado’s wild and rugged Rocky Mountain National Park.

Jake and Taylor Wilder have been taking care of themselves for a long time. Their father abandoned the family years ago, and their mother is too busy working and running interference between the boys and her boyfriend, Bull, to spend a lot of time with them. Thirteen-year-old Jake spends most of his time reading. He pores over his father's journal, which is full of wilderness facts and survival tips. Eleven-year-old Taylor likes to be outside playing with their dog, Cody, or joking around with the other kids in the neighborhood. But one night everything changes.

In Dinosaurs Before Dark, adventure is waiting to happen! Jack and his younger sister, Annie, stumble upon a tree house filled with books. Where did the tree house come from? How long has it been there? When Jack reads a book about the Cretaceous period, 65 million years ago, and wishes he could really see the pteranodon, it suddenly appears at his window. Magically. Before Jack and Annie can figure out the mystery, the tree house whisks them back to the prehistoric past.

When teenagers Jay and Lila Cooper and their archaeologist father travel to Nepur, an uninviting land of deserts and danger, they must search to uncover the truth behind an ancient legend. Locals claim that inside a dark cavern called the Dragon's Throat is a forbidden Door that brings certain death to anyone who tries to open it. Armed with the knowledge that God is more powerful than any legend or curse, Jay and Lila plunge down into the Dragon's Throat, determined to find out what awaits them on the other side of the Door.

Before they were the Boxcar Children, Henry, Jessie, Violet, and Benny Alden lived with their parents on Fair Meadow Farm. Although times are hard, the Aldens are happy - “the best family of all,” Mama likes to say. One day, a blizzard hits the countryside, and a traveling family needs shelter. The Aldens take them in, and the strangers soon become friends. But things never stay the same at the farm, and the spring and summer bring events that will forever change their lives.

Ten-year-old George Calder can't believe his luck - he and his little sister, Phoebe, are on the famous Titanic, crossing the ocean with their aunt Daisy. The ship is full of exciting places to explore, but when George ventures into the first-class storage cabin, a terrible boom shakes the entire boat. Suddenly water is everywhere, and George's life changes forever.

In this chilling novel set in the world of the CW’s Nancy Drew, the beloved teen sleuth investigates a sinister, once-dormant curse that may be threatening her town once more. Perfect for fans of Riverdale, The Chilling Adventures of Sabrina, and Stranger Things!

The Grifters kidnap any metahumans - those with superhuman powers - living outside the Academy...like me. Only this time, they missed. For centuries, a covert organization of metahumans called the Academy has protected unaware civilians from the Grifters, creatures whose humanity is as deformed as their craggy faces. I’d spent 18 years ignorant of either group, and of their endless war. Then the Grifters found me. The Academy whisked me away to safety, and we waited for the danger to pass. Only it didn’t.

Bobby Pendragon is a seemingly normal 14-year-old boy. He has a family, a home, and even Marley, his beloved dog. But there is something very special about Bobby: he is going to save the world.

And not just Earth as we know it. Bobby is slowly starting to realize that life in the cosmos isn't quite what he thought it was. And before he can object, he is swept off to an alternate dimension known as Denduron, a territory inhabited by strange beings, ruled by a magical tyrant, and plagued by dangerous revolution.

M.J., her partner Gilley, and their client, the wealthy, de-lish Dr. Steven Sable, are at his family's lodge, where his grandfather allegedly jumped to his death from the roof-although Sable says it was foul play. But the patriarch's isn't the only ghost around. The place is lousy with souls, all with something to get off their ghoulish chests. Now M.J. will have to quell the clamor-and listen for a voice with the answers...

For 12-year-old Emily, the best thing about moving to San Francisco is that it's the home city of her literary idol: Garrison Griswold, book publisher and creator of the online sensation Book Scavenger (a game where books are hidden in cities all over the country and clues to find them are revealed through puzzles). Upon her arrival, however, Emily learns that Griswold has been attacked and is now in a coma, and no one knows anything about the epic new game he had been poised to launch.

Ten years ago only Flynn Carsen, the last of the Librarians, stood against an ancient criminal organization known as The Forty. They stole the oldest known copy of The Arabian Nights by Scheherazade, and Flynn fears they intend to steal Aladdin's fabled lamp. He races to find it first, before they can unleash the trapped malevolent djinn upon the world. Today Flynn is no longer alone. A new team of inexperienced Librarians, led by Eve Baird, their tough-as-nails Guardian, investigates an uncanny mystery in Las Vegas.

Adam has just moved to the small town of Springville. His first day there, he meets Sally, who tells him the town’s real name is Spooksville because of all the spooky things that go on. Adam doesn’t believe her - until they go in search of the Secret Path, a magical path that leads to other Spooksvilles. Join Adam, Sally, and their friend Watch as they take the Secret Path and pass through a dark doorway. On the other side you’ll find a terrifying Spooksville where there are huge spiders, living skeletons, evil black knights, and a witch who just loves to make dolls...out of kids!

The Seven Wonders adventures continue in this bind-up of The Select and The Orphan. The Select tells the story of thirteen-year-old Burt Wenders, the first documented carrier of the G7W gene, and his fated voyage to the island that would eventually come to house the Karai Institute. In The Orphan, learn the story of Daria, orphaned at a young age and enslaved by the Babylonians, and her valiant battle to escape the only city she's ever called home. These titles are together for the first time ever.

Summer 1977. The Blyton Summer Detective Club (of Blyton Hills, a small mining town in Oregon's Zoinx River Valley) solved their final mystery and unmasked the elusive Sleepy Lake monster - another low-life fortune hunter trying to get his dirty hands on the legendary riches hidden in Deboën Mansion. And he would have gotten away with it, too, if it weren't for those meddling kids.

The first to disappear is a ski instructor in the secluded mountains of Colorado. Hours later, a pregnant woman is abducted from a crowded hospital. Two places, two incidents, a single motive. And so it begins....

With the defeat of the Overtakers behind them, the five teenagers known as the Kingdom Keepers should be celebrating. By all accounts they saved Disneyland from certain destruction. Why then did their mentor leave one last puzzle for them to decipher? The Keepers must solve a puzzle of the past, or be crushed under an evil that makes the Overtakers seem like gentle souls.

A new urban fantasy featuring a man working on the right side of the law - with talents that come from left field. Psychometry - the power to touch an object and divine information about its history - has meant a life of petty crime for Simon Canderous, but now he's gone over to the good side. At New York's underfunded and (mostly) secret Department of Extraordinary Affairs, he's learning about red tape, office politics, and the basics of paranormal investigation. But it's not the paperwork that has him breathless.

Fed up with her wild behavior, 16-year-old Lex’s parents ship her off to upstate New York to live with her Uncle Mort for the summer, hoping that a few months of dirty farm work will whip her back into shape. But Uncle Mort’s true occupation is much dirtier than shoveling manure. He’s a Grim Reaper. And he’s going to teach Lex the family business. She quickly assimilates into the peculiar world of Croak, a town populated by reapers who deliver souls from this life to the next.

In the absurd land of Nth, Thisby Thestoop can be found within the forlorn walls of Castle Grimstone, down the precarious steps of the Black Mountain dungeon, up to her nose in griffon toenails, gnoll spittle, and troll meat (to give to them, not made of them).

The School of Secrets series of chapter books continues the story of Mal and her friends, plus new Villain kids and Auradon kids introduced in the popular Wicked World short-form videos. Enjoy these all-new tales of mystery, magic, and adventure from the world of the hit movie Descendants!

Max wants to be a knight! Too bad that dream is about as likely as finding a friendly dragon. But when Max's uncle Budrick is kidnapped by the cruel King Gastley, Max has to act...and fast! Joined by a band of brave adventurers - the Midknights - Max sets out on a thrilling quest: to save Uncle Budrick and restore the realm of Byjovia to its former high spirits!

Imagine a school in the year 2074 where students don't read history, but watch it happen around them; where running in gym class isn't around a track, but up a virtual mountain; and where learning about animals means becoming one through an avatar. Welcome to Cragbridge Hall, the most advanced and prestigious school in the world. Twins Abby and Derick Cragbridge are excited as new students to use their famed grandfather's inventions that make Cragbridge Hall so incredible.