Showing titles in Action & Adventure

Jack, his genius siblings Ava and Matt, and inventor Dr. Hank Witherspoon travel to the Hawaiian island home of Ashley Hawking, a technology billionaire. Hawking and engineer Rosa Morris have built a revolutionary electricity plant that harvests energy from the deep ocean, but someone has been sabotaging the project. In their search for the culprit, Jack and crew navigate an unusual world of characters and suspects, including Hawking and her obnoxiously intelligent son.

After their home burns down, fourteen-year-old Nick, his younger brother, and their father move into a ramshackle Victorian house they've inherited. When Nick opens the door to his attic room, he's hit in the head by a toaster. That's just the beginning of his weird experiences with the old junk stored up there. After getting rid of the odd antiques in a garage sale, Nick befriends some local kids - Mitch, Caitlin, and Vincent - and they discover that all of the objects have extraordinary properties.

In 1885, the Murphy mine struck gold. According to legend, Annie Murphy killed her husband out of greed. Just before she was to be hanged for the murder, she escaped. Now, a hundred years later, there have been sightings of Annie Murphy's "ghost." The Coopers unwittingly become involved in a mystery that finds them caught between the past and the present.

When a visitor turns up unannounced at Dirk's office with a new case for him and Holly to solve, all is not as it seems. A Sea Dragon has disappeared, and the only clue left at the scene of the crime is the ashy outline of an elusive Sky Dragon. As their investigations take them from a dodgy billionaire's HQ to the top of the city's tallest skyscraper, trouble is set to soar sky high for this dragon detective and his partner-in-solving-crime. Will they be able to hunt down the suspect and find the missing dragon before they both disappear into thin air?

Best-selling author, journalist, and Edgar Award winner John Feinstein is back with another high-stakes sports mystery. Teen reporters Stevie Thomas and Susan Carol Anderson are covering baseball's World Series, and during the course of an interview with a new hot pitcher, they discover more than a few contradictions in his life story. What's he hiding? An embarrassing secret? A possible crime? Let the investigation begin!

The blockbuster series continues with a Cahill family member from the past bent on revenge! Who is the Outcast, and why is he threatening the lives of innocent people? Book 3 reveals a shocking secret that will send Amy and Dan - and the world - reeling.

Otto and Sheed are the local sleuths in their zany Virginia town, masters of unraveling mischief using their unmatched powers of deduction. And as the summer winds down and the first day of school looms, the boys are craving just a little bit more time for fun, even as they bicker over what kind of fun they want to have. That is, until a mysterious man appears with a camera that literally freezes time.

Theodosia Throckmorton is in a fix. Allowed to attend a reception given by one of the directors of her parents museum, she stumbles across Mr. Tetley of the British Museum in most unusual circumstances! Since Theo has last seen him in a showdown in an ancient Egyptian tomb, his reappearance could mean only one thing: the Serpents of Chaos are back.

Nick Slate, in order to protect his father and little brother, reluctantly must help the Accelerati complete Tesla's great device. Their power-mad leader wants nothing less than to control the world's energy - but there are still three missing objects to track down. Nick's friends can't help him, as they are spread across the globe grappling with their own mysteries - with Vince in Scotland, Caitlin and Mitch on their way to New Jersey, and Petula's whereabouts unknown.

Cairo, the newest member of the City Spies, takes the lead when his sister disappears in Istanbul. Determined to save the family of one of their own, the team risks discovery as their search leads them to Rome. Meanwhile, there’s been intel that seems to threaten the royal wedding about to take place in Westminster, bringing the team back to the UK on an official case for MI6. With so much security all over the city, it’s harder than ever for the City Spies to go unnoticed. Will their skills be up to the task?

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.

Our city. Our secret. Our rules. When pupils start going missing from a prestigious boarding school, Ollie Turner knows it's a job for the Haven. Below the city streets, the Haven is a sanctuary for kids run by kids. Ollie and the Haven's investigations team put their lives on the line, going undercover to find the missing children. But little do they realise that a deadly enemy awaits them - one with plans to destroy everything they hold dear.

Ronan Boyle may be the youngest and lowliest recruit to the secret Garda, but he’s determined to save his captain from the harpy that dragged her into Tir Na Nog at the end of book one. He may not be the strongest, or the smartest, or the best looking, or the most dexterous...so why was he picked for this mission? He’s not entirely sure. But he may be the captain’s only hope - if he can escape man-eating elves, escape a job in a unicorn’s lounge act, and find the captain before she’s sacrificed to a spooky cult trying to resurrect its leader.

There's a hot new pizza joint in Bailey City and Mrs. Jeepers brings the kids there for a special treat. The castle-shaped building and medieval-style costumes on the waiters are fun, but when a rumble from the kitchen shakes the restaurant's foundations, the kids get suspicious. George, the owner, says his cook is temperamental and the earth-shaking fits he has are nothing unusual, but the kids are pretty sure the owner is St. George the dragon slayer and that his cook is a captive dragon. Can the kids uncover the truth before the disgruntled cook becomes a real problem?

Tom gets to take all sorts of cool classes at the Swift Academy of Science and Technology, but robotics may be the one he is most excited for. Their teacher is holding a battling robot tournament, and Tom has to build a machine that will come out on top. With the final battle coming up, Tom and his friends need as much time as possible to refine their masterpiece. But the rest of their teachers have been giving so many pop quizzes that they can barely focus in class, never mind concentrate on the tournament.

Twenty-five years into the future, no humans are allowed in the Wildlands – a vast area in Britain where wolves, lynx and bison roam free. The only exception is a high-speed train line between London and Glasgow that crosses right through the heart of the project. Thirteen-year-old Astrid and her little sister, Indie, are onboard when their train slows to a brief, unexpected stop … and they find themselves accidentally left behind.

The Aldens are spending the summer traveling on a houseboat! Throughout their journey, the children have the feeling that they’re being watched. Someone is watching them - and the thing that he wants is somewhere on their boat! He’ll stop at nothing to get it and it’s up to the Boxcar Children to figure out why!

The Aldens are on a cruise in the Caribbean! No sooner has the cruise begun than things start to go wrong. The ship’s radio breaks. It appears someone has fallen overboard - but it turns out to be a false alarm. And then there’s engine trouble! Is someone deliberately tampering with the ship? It’s a mystery - good thing the Boxcar Children are on board!

When the Crown Jewels go missing from inside a locked room, Mac's spy skills are put to the test. How did the thief break in? Where did the jewels go? And will Mac be able to solve this locked-room mystery before the thief escapes? This mystery isn't just a whodunit...it's a howdunit! The action in this adventure is nonstop as Mac travels to an ancient Irish castle to solve the mystery. There, he encounters everything from killer king cobras to bizarre ice sculptures...and even a revenge plot dating back hundreds of years! Will you be able to solve the mystery before Mac does?

It's a dark and stormy night when three sleuthing little girls get pulled into a web of mystery. They have mistakenly uncovered a secret society of some of the most famous female spies in history. A glamorous spy named Josephine Baker enlists the girls to find out who has kidnapped Chiquita, her precious pet cheetah. Do the girls have what it takes to become spies themselves?