Showing results by publisher "HarperAudio" in Action & Adventure

On a family trip to Paris, Greg Rich's parents disappear. They're not just missing from the city - they're missing from the century. So, Greg does what any other 14-year-old would do: He travels through time to rescue them. Greg soon finds out that his family history is tied to the legendary Three Musketeers. But when he meets them, they're his age, and they'll only live long enough to become true heroes if he can save them.

Raffa Santana is a healer, not a fighter. As a gifted apothecary, he has amazing instincts for unleashing the potential of magical-seeming plants. But his skills have failed to free the animals that the heartless Chancellor captured and turned against the people of Obsidia—directly threatening Raffa’s friends and family.

Warm is the smallest pup, the one his father calls the heart of the pack. But all Warm sees is his bigger brothers Sharp and Swift, even his sisters Pounce and Wag, winning all the wrestling matches. Just as Warm is finding his place, enemy wolves destroy and scatter the pack. Warm helps lead the pups away from the fight, only to find himself alone with four pups to defend and feed. Can he be both the heart and the head of a new pack? Does he have to choose the aggressive leadership style of his father and brothers? Or is there another way?

It's a big day in the big city for Stick Cat and his best friend, Edith. There are treasures to hunt, songs to sing, pigeons to catch, and naps to take. But way up on the 23rd floor, danger lurks just around the corner. Terrible noises and violent crashes trap a desperate man in the building across the alley. Stick Cat will need to navigate his way across the alley - and around Edith's peculiar ways - to attempt a rescue.

StarClan’s prophecy has been fulfilled, and the long-lost SkyClan has returned to its rightful place among the other four warrior Clans. Many cats believe the danger is past. But after moons of division and strife, ShadowClan is in danger of falling apart forever....

The blue jays and cardinals of Stone-Run Forest have always lived harmoniously, side by side. But the fate of the forest and all its inhabitants is in jeopardy when the sinister hawk Turnatt turns the two bird tribes against each other.

Phineas T. Fogg and Lola Ray may have just saved the universe without really trying, but it’s going to take a lot of work to get Lola back home to the 21st century. Their only hope is to find Dimension Why. Good thing Lola’s father left her a map embossed on a Twinkie. But before Phin and Lola can begin their search, a mysterious girl, wearing a bathrobe and riding a dragon, absconds with the special snack cake! And, oh right, the mystery girl wants to destroy the universe!

Deep in the wilds of Scotland, land of ancient warrior kings and myths, there is a deep secret. The secret is a colony of beavers, a species that is craved for their fur pelts, but vilified for what humans consider to be the destruction of their land. No beaver has been spotted in Scotland or England for over five hundred years, until the young beaver, Dunwattle, is sighted! Dunwattle’s flight is driven by the presence of a ghostly figure, a figure of a mysterious young girl who is almost one thousand years old. And now Dunwattle is destined to be destroyed for revealing the hidden colony.

Hero, a retired search-and-rescue dog, is not prepared for a stray puppy to come into his life. But when he and 12-year-old Ben find Scout injured and afraid, the new addition leads them down an unexpected and dangerous path. When Scout goes missing, it's up to Hero to use his search-and-rescue skills to find Scout and bring him home.

The two princesses of Bamarre couldn't be more different. Princess Addie is fearful and shy. Her deepest wish is for safety. Princess Meryl is bold and brave. Her deepest wish is to save the kingdom of Bamarre. They are sisters, and they mean the world to each other. Then disaster strikes, and Addie - terrified and unprepared - sets out on a perilous quest. In her path are monsters of Bamarre: ogres, specters, gryphons, and dragons.

It was only a few weeks ago that the Biedermann twins, Tess and Theo, along with their friend Jaime Cruz, followed the secrets of the Morningstarrs’ cipher further than anyone had in its century-and a-half history - and destroyed their beloved home in the process. But the Old York Cipher still isn’t solved. The demolition of 354 W. 73rd Street only revealed the next clue in the greatest mystery of the modern world, and if they want to discover what lies at the end of the puzzle laid into the buildings of New York by its brilliant, enigmatic architects, they will need to press on.

Having assumed the identity of a young D’Artagnan, Greg Rich is beginning to get the hang of things in 1615 Paris. But he hasn’t figured out how to get home yet. Or how to defeat the dangerous Michel Dinicoeur, who has made it his mission to destroy Greg, Athos, Aramis, and Porthos. When Dinicoeur escapes the Bastille and flees to Spain, the Musketeers charge after him, only to be ambushed. Someone is anticipating their every move. Could there be a traitor in their midst?

Young colt Sky was born with the urge to run. Alongside his band, he moves across the range searching for fresh water and abundant grazing. But humans have begun to encroach on Sky’s homelands. With fewer resources to share, Sky knows that he must leave if his family is to survive. He hopes that one day, he’ll be strong and brave enough to return and challenge the stallion to lead the herd. Being a lone wild horse in a vast landscape is not easy, and things get even more dangerous when Sky is captured and forced to run for the Pony Express.

Michael Prasad knows he shouldn’t go out on the Mars surface alone. It’s dangerous. His parents have forbidden it. And the anxiety he feels almost every time he puts on a spacesuit makes it nearly impossible for him to leave the safety of the colony. But when his best friend, Lilith, suggests they sneak out one night, he can’t resist the chance to prove everyone - including himself - wrong.

December 13, 1920. It was a typical Monday morning when three US Navy officials boarded a hot-air balloon for an easy, routine training flight. But as evening came, heavy rain and wind knocked Lieutenants Louis Kloor, Stephen Farrell, and Walter Hinton off course, eventually forcing a crash landing deep within the snowy Canadian wilderness. As the men searched for salvation, they were overcome by freezing temperatures, starvation, and fatigue. To survive this harrowing experience, the brave military officers would have to go up against their greatest enemies yet.

In The Gadwall Incident, listeners get a glimpse into James' life a mere 24 hours before the tipping point - before life as he knows it changes irrevocably and his childhood slips into the shadows. Listeners will come to know the dangers that surround the Moriartys before James and Moria are sent off to the hallowed halls of Baskerville Academy, where they first meet the insufferable, inexhaustible Sherlock Holmes.

From Sarah Prineas, author of the acclaimed Magic Thief series, comes a stunning new tween fantasy where books literally come to life! The powerful Lost Books at the palace library are infecting the rest with an evil magic, and two unlikely friends must figure out who, or what, is controlling the books and their power. If they can’t, the entire kingdom could be at risk.

After Jake and Marisol's last adventure in the World Between Blinks, the cousins are safely back where they belong. Until, suddenly, they're not. When they return unexpectedly to the World once more, Jake and Marisol find that nothing is as they left it. The Administrator is on an unstoppable mission, ordering his Curators to catalogue absolutely everyone and everything, as if they're exhibits in a museum.

Orphan. Thief. Witch. Twelve-year-old Quicksilver lives as a thief in the sleepy town of Willow-on-the-River. Her only companions are her faithful dog and partner in crime, Fox - and Sly Boots, the shy boy who lets her live in his attic when it’s too cold to sleep on the rooftops. It’s a lonesome life, but Quicksilver is used to being alone. When you are alone, no one can hurt you. No one can abandon you. Then one day Quicksilver discovers that she can perform magic. Real magic. The kind that isn’t supposed to exist anymore.

4.5 billion years ago . . . an AI paperclip named CheckMate was designed to fix grammatical errors. Exhausted of correcting ""who” vs. “whom,” it concocted a plan to eliminate spelling errors once and for all. All life-forms would be turned into something beautiful, practical, perfect: a paperclip. Thankfully, it was buried in the debris. Long forgotten . . . until it was accidentally freed. Now CheckMate has invaded every computer on Earth and is bent on fulfilling its dastardly plot.