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.

Join The Campground Kids as they set out on another thrilling adventure in Olympic National Park! Armed with the Navigem and a mysterious map, Isaiah eagerly awaits reuniting with Uncle Elliot to continue uncovering the secrets of The Lost City. But there's a hitch—Uncle Elliott has gone silent since their last adventure in Arches National Park.

Join The Campground Kids on their most festive adventure yet—Christmas Chaos! In this special edition of the beloved series, the adventurous gang takes a break from exploring national parks to immerse themselves in the magic of Washington D.C. It's the most wonderful time of the year, and Isaiah, Sadie, and Ethan are ready for a holiday filled with laughter, friendship, and a touch of Christmas chaos!

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.

Professor Abner Jefferson is missing. His children watched him get sucked into a book. Now they must find him. By going back... through History!

Franklin W. Dixon was a pseudonym used by several authors writing series books for the Stratemeyer Syndicate, including The Hardy Boys and the Nancy Drew series. This collection introduces The Hardy Boys, two teenage brothers who hope to follow in the footsteps of their father, a famous private detective: In The Tower Treasure, The House On The Cliff, and The Secret of the Old Mill.

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 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.

Swift, a young wolf cub, lives with his pack in the mountains learning to hunt, competing with his brothers and sisters for hierarchy, and watching over a new litter of cubs. Then a rival pack attacks, and Swift and his family scatter. Alone and scared, Swift must flee and find a new home. His journey takes him a remarkable 1,000 miles across the Pacific Northwest. The trip is full of peril, and Swift encounters forest fires, hunters, highways, and hunger before he finds his new home.

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?

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.

Paddington Bear had traveled all the way from Darkest Peru when the Brown family first met him on Paddington Station. Since then their lives have never been quite the same... for ordinary things become quite extraordinary when a bear called Paddington is involved.

Merlin Mission books 17-24 of the number-one New York Times best-selling Magic Tree House series, available together for the first time ever! Magic Tree House Merlin Missions are more challenging adventures for the experienced Magic Tree House fan. In each adventure Merlin the magician sends Jack and Annie on an adventure in the magic tree house.

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.

The Aldens are spending their first week of summer at Camp Quest in Colorado. The children are excited to learn about fossil-hunting and paleontology from renowned scientist Dr. Iris Perez. But strange events at the camp make them wonder if the legends of a bigfoot-like creature roaming the valley might be more fact than fiction. Can the Aldens help Dr. Iris figure out who - or what - is causing such a stir?