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.

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.

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.

Noah, his sister Megan, and their best friends, Richie and Ella, live next door to the zoo. Megan is the first to notice the puzzling behavior of some of the animals. One day Megan disappears, and her brother and their friends realize it’s up to them to find her. Their only choice is to follow a series of clues and sneak into the zoo. But once inside, will they discover there’s much more to the Clarksville City Zoo than they could ever have guessed?

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.

As the youngest in her family, Dory really wants attention; and more than anything, she wants her brother and sister to play with her. But she's too much of a baby for them, so she's left to her own devices - including her wild imagination and untiring energy. Her siblings may roll their eyes at her childish games, but Dory has lots of things to do: outsmarting the monsters all over the house, escaping from prison (aka time-out), and exacting revenge on her sister's favorite doll.

Sam Gribley is terribly unhappy living in New York City with his family, so he runs away to the Catskill Mountains to live in the woods - all by himself. With only a penknife, a ball of cord, 40 dollars, and some flint and steel, he intends to survive on his own. Sam learns about courage, danger, and independence during his year in the wilderness, a year that changes his life forever.

"Are you a gifted child looking for special opportunities?" Dozens of children respond to this peculiar ad in the newspaper and are then put through a series of mind-bending tests, which readers take along with them. Only four children—two boys and two girls—succeed. Their challenge: to go on a secret mission that only the most intelligent and inventive children could complete. To accomplish it they will have to go undercover at the Learning Institute for the Very Enlightened, where the only rule is that there are no rules.

A magical adventure of animals traveling worldwide to Noah's ark. Max, a Scottish terrier, takes his usual morning trot down to the loch where he hears a mysterious Voice humming in the reeds saying, "Come to me...follow the fire cloud." He embarks on an unknown journey from Scotland, meeting other animals along the way including Liz, a brilliant, petite black cat from France. Max and Liz become the brave leaders for their group, and eventually, for the entire ark. The mysterious journey, filled with danger, humor, trials, and triumphs, leads them across Europe to the Middle East.

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.

Middle school is hard. Solving cases for the FBI is even harder. Doing both at the same time - well, that's just crazy. But that doesn't stop Florian Bates! Get to know the only kid on the FBI director's speed dial - and several international criminals' most wanted lists - in this adventurous series that School Library Journal says combines "elements of Alex Rider, James Bond, and Sherlock Holmes".

Henry, Jessie, Violet, and Benny didn't think the old trunk in their house held anything interesting. But an unusual statue they find inside leads them to the Reddimus Society, a secret guild dedicated to returning lost treasures to where they belong. Now the Aldens must help their new friends by traveling across the country with the statue and six mysterious boxes! Can the Boxcar Children keep these seven treasures out of the wrong hands?

When an oil spill takes place off the coast of Connecticut, the Aldens are happy to volunteer to help clean up the animals affected, including a rare species of shore bird. But could more have been done to prevent the spill? As the Aldens take up the case, it leads them on an adventure to help other endangered animals around the world.

The Great Smoky Mountains National Park is the most visited national park in the country, with 12.1 million recreational visits in 2020. Aside from crowds of hikers, campers, and general tourists, there's a dark side to the Smokies, the town of Gatlinburg and the surrounding foothills. From strange disappearances, grisly murders and bone-chilling paranormal hauntings to ghost sightings, this pristine paradise has a lot more to offer than just serene hiking trails or camping. So put aside your nature guidebooks, and prepare for a wild ride on the dark side of the Great Smoky Mountains.

Zero is just one of 20,000 people aboard a spaceship bound for a new planet set to be colonized. The journey is over a century long but luckily, everyone is in stasis, so they’ll be safe and sound asleep during the trip. Everyone that is, except for Zero, whose pod has malfunctioned, waking him up a hundred years early. His initial excitement in roaming the ship alone quickly turns to a heart-stopping interstellar adventure when a family of space pirates show up, trying to hijack the ship and take the colonizers hostage.

While studying wolverines on a wildlife sanctuary in Montana, biologist Alex Carter is run off the road and threatened by locals determined to force her off the land. Undeterred in her mission to help save this threatened species, Alex tracks wolverines on foot and by cameras positioned in remote regions of the preserve. But when she reviews the photos, she discovers disturbing images of an animal of a different kind: a severely injured man seemingly lost and wandering in the wilds.

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.

Arlo Finch is a newcomer to Pine Mountain, Colorado, a tiny town of mystery and magic, but he has already attracted the attention of dark and ancient forces. At first he thinks these increasingly strange and frightening occurrences are just part of being in Rangers, the mountain scouting troop where he learns how to harness the wild magic seeping in from the mysterious Long Woods. But soon Arlo finds himself at the center of a dangerous adventure, where he faces obstacles that test the foundations of the Ranger's Vow: Loyalty, Bravery, Kindness, and Truth.

Gabriel Clarke is mysteriously drawn to The River, a ribbon of frothy white water carving its way through steep canyons high in the Colorado Rockies. The rushing waters beckon him to experience freedom and adventure. But something holds him back - the memory of the terrible event he witnessed on The River when he was just five years old. It was something no child should ever see. Chains of fear and resentment imprison Gabriel, keeping him from discovering the treasures of The River.

Twenty-two years old Cole Morgan struggled after a career ending football injury and then the tragic loss of his parents in the winter of 1937. He felt like a man with no destination... running from lost opportunities and memories better left alone. Maybe it was for this reason he accepted the offer of a near stranger to use his education and backcountry skills to work on the Greybull, one of the largest ranches in Wyoming. With little fanfare he packed all his worldly possessions in his beloved truck and headed for the small town of Meeteetsee.

Many childhood summers, Mark Woods piled into a station wagon with his parents and two sisters and headed to America's national parks. Mark's most vivid childhood memories are set against a backdrop of mountains, woods, and fireflies in places like Redwood, Yosemite, and Grand Canyon national parks. On the eve of turning 50, and a little burned out, Mark decided to reconnect with the great outdoors. He'd spend a year visiting the national parks.

Like a well-crafted stage play, Just Passin' Thru delivers one suspenseful scene after another. But in this historic setting a store on the Appalachian Trail called Mountain Crossings the characters who show up are no fictional creations. Like any good drama, there are the good guys (and gals) and the weirdos, too. Some show up once (and that’s enough), and some appear again and again. But all are united by two things: the author’s story-capturing talent, and whatever it is that lures them to attempt (or conquer) a 2,200-mile path that climbs and plummets from Georgia to Maine.

A local fisherman lands more than he bargained for when he pulls a dead body out of Montana’s Madison River. Sheriff Martha Ettinger takes on the case and soon comes into the company of reclusive artist, Montana newcomer, and ex-PI Sean Stranahan. After teaming up to investigate, Martha and Sean soon uncover evidence that the murder has ties to one of the state’s biggest industries: fly fishing.

In 36 thrilling days, Melanie Radzicki McManus hiked 1,100 miles around Wisconsin, landing her in the elite group of Ice Age Trail thru-hikers known as the Thousand-Milers. In prose that's alternately harrowing and humorous, Thousand-Miler takes you with her through Wisconsin's forests, prairies, wetlands, and farms, past the geologic wonders carved by long-ago glaciers, and into the neighborhood bars and gathering places of far-flung small towns.

On May 22, 2010, at the age of 13, American teenager Jordan Romero became the youngest person to climb to the summit of Mount Everest. At 15, he became the youngest person to reach the summits of the tallest mountains on each of the seven continents. In this energizing memoir for young adults, Jordan recounts his experience, which started as a spark of an idea at the age of nine and, many years of training and hard work later, turned into a dream come true.

Growing up without parents and without schooling, 14-year-old Cloyd is trouble - trouble to himself and everyone else. Sent by his tribe to a home for Indian boys, he is alone and half-wild in remote Utah canyons. As his feeling of isolation turns to desperation, he runs away to find even more trouble. When Cloyd is found and taken to live with an old rancher, he begins to explore the countryside.

What if the end times allowed people to see and build the world anew? This is the landscape that Kimi Eisele creates in her surprising and original debut novel. Evoking the spirit of such monumental love stories as Cold Mountain and the creative vision of novels like Station Eleven, The Lightest Object in the Universe tells the story of what happens after the global economy collapses and the electrical grid goes down.

Anthony Award-winning author William Kent Krueger crafts this riveting tale about a small Minnesota town’s ex-sheriff who is having trouble retiring his badge. Cork O’Connor loses his job after being blamed for a tragedy on the local Anishinaabe Indian reservation. But he must set aside his personal demons when a young boy goes missing on the same day a judge commits suicide—and no one but O’Connor suspects foul play.

Three years ago, Madison Culver disappeared when her family was choosing a Christmas tree in Oregon's Skookum National Forest. She would be eight years old now - if she has survived. Desperate to find their beloved daughter, certain someone took her, the Culvers turn to Naomi, a private investigator with an uncanny talent for locating the lost and missing. Known to the police and a select group of parents as "the Child Finder", Naomi is their last hope.

Secrets and lies can’t stay buried forever in Cedar Valley. In the summer, hikers and campers pack the small Colorado town’s meadows and fields. And in the winter, skiers and snowboarders take over the mountains. Season by season, year after year, time passes, and the lies, like the aspens and evergreens that surround the town, take root and spread deep. Now, someone has uncovered the lies, and it is his murder that continues a chain of events that began almost 40 years ago.

Twelve-year-old Isaiah Rawlings wished for only one thing this summer, a camping trip outside of Kentucky. I’m so tired of camping in my backyard, he groaned. Isaiah pleads with his parents to reconsider their usual summer trip to dusty old museums and big cities.

National Park Mysteries: Eastern United States is the first gripping entry in the National Park Mysteries series, where the lush and historic landscapes of America's eastern national parks set the stage for a series of enigmatic and thrilling adventures. This book masterfully combines the natural splendor and rich history of these parks with intriguing mysteries, drawing readers into a world of exploration and suspense. In this installment, readers journey through several renowned parks in the Eastern U.S., each chapter unveiling a unique and compelling mystery. With each page turned you'll...

Noah, his sister Megan, and their best friends, Richie and Ella, live next door to the zoo. Megan is the first to notice the puzzling behavior of some of the animals. One day Megan disappears, and her brother and their friends realize it’s up to them to find her. Their only choice is to follow a series of clues and sneak into the zoo. But once inside, will they discover there’s much more to the Clarksville City Zoo than they could ever have guessed?

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.

The Ross Family and Kevin have been officially a family for less than 24 hours when they find themselves on the adventure of a lifetime! Kevin Asbury is more than happy to welcome his adventurous new step-dad Dan to the family. He’s even okay with his new step-sister Anne. Mostly. But when Kevin and his mom Miranda join Dan and Anne on a post-wedding “familymoon” in the Great Smoky Mountains, he knows right away he’s in over his head.

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.

Eli Frieden lives in the most perfect town in the world: Serenity, New Mexico. In this idyllic place, every lawn is perfectly manicured, and everyone has a pool and a tree house. Honesty and integrity are valued above all else. The 30 kids who live there never lie--they know it's a short leap from that to the awful problems of other, less fortunate places. Then one day Eli bikes to the edge of the city limits, and something so crazy and unexpected happens, it changes everything.

The Boxcar Children: Henry, Jessie, Violet, and Benny are orphans. Can they find a home where they can stay together as a family? Surprise Island: The Aldens spend the summer on their own private island. There they meet a new friend with an amazing secret! The Yellow House Mystery: Years ago, a man vanished from the yellow house on Surprise Island. Why? The Aldens have found a clue to the mystery!

The first two thrilling adventures in the brand-new collectible series for children, from survival expert and Chief Scout Bear Grylls. Each audiobook follows a different child on an outdoor activity camp. This volume features two exciting adventures. Blizzard Challenge: Can his adventure with Bear Grylls change Olly's mind about teamwork and perseverance? Desert Challenge: Sophie loves activity camp...but is terrified of insects. Will Sophie overcome her fear of insects back in the real world?

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.