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On the hunt for the 39 Clues, Amy and Dan Cahill uncovered shocking information about their past - from what happened the night their parents died to the shattering discovery of their family branch. Will Book Nine be the end of Amy and Dan? Or just the end of everything they think they know?

There’s no doubt about it: These kids are nerds. Awkward, unpopular, uncool as uncool can be—and yet, there’s something about these “nerds” that nobody else knows. These dweebs are actually superspies who use their dorky skills to battle the evil Hyena and other villainous baddies.

Julian, Dick, Anne, George and Timmy the dog find excitement and adventure wherever they go in Enid Blyton's most popular series. In book 19, the Famous Five travel to Demon's Rocks and discover a very old and valuable gold coin. Demon's Rocks is famous for its stories of bountiful treasure, but if the myth is reality, who does the treasure belong to? The Five are determined to find out, but first they need to know who else is exploring Demon's Rocks for the treasure....

They said his uncle Ian died in a car accident. Alex Rider knows that's a lie, and the bullet holes in his uncle's car confirm the truth. But nothing can prepare him for the news that the uncle he always thought he knew was really a spy for Britain's top-secret intelligence agency. Enlisted to find his uncle's killers and complete Ian's final mission, Alex suddenly finds himself caught in a deadly game of cat and mouse, with no way out.

Hefty Hugh and Lanky Len are two crafty robbers with a cunning plan to steal the farmer’s fine prize cow. But little do they know that the tiniest, quietest creature of all has overhead their plot, and she has a plan of her own.... What the Ladybird Heard is a fantastically funny story from the stellar partnership of Julia Donaldson and Lydia Monks. With brilliant rhyming verse read by Alexander Armstrong, this much-loved modern classic is perfect story for listening to together. This audio edition of the story features a read-along track and a song for lots of farmyard fun.

Julian, Dick, Anne, George and Timmy the dog find excitement and adventure wherever they go in Enid Blyton's most popular series. In book 13, the Famous Five find out about something dangerous out in Mystery Moor. They'll have to risk the treacherous mists and follow the trail if they want to find what's lurking in the shadows. Do they know what they've let themselves in for?

Glow-in-the-dark footprints; eyewitness accounts of a ghost haunting school grounds - something doesn't add up! Ghosts don't have feet, do they? Either way, Jigsaw Jones and his partner Mila Yeh are on the case, and they'll do whatever it takes to solve this spooky new mystery...even if it means they have to be at school extra late!

Cruz Coronado leaves his tranquil home in Hawaii to join 23 talented kids from around the globe to train at the Explorer Academy with the world's leading scientists to become the next generation of great explorers. But for Cruz, there's more at stake. No sooner has he arrived at the Academy than he discovers that his family has a mysterious past with the organization that could jeopardize his future. In the midst of codebreaking and cool classes, new friends, and augmented reality expeditions, Cruz must tackle the biggest question of all: Who is out to get him, and why?

The audio edition of the best-selling middle grade novel about a spunky girl born without arms and a boy with Tourette syndrome navigating the challenges of middle school, disability, and friendship - all while solving a mystery in a western theme park. Aven Green loves to tell people that she lost her arms in an alligator wrestling match, or a wildfire in Tanzania, but the truth is that she was born without them.

Dan Brown meets Jason Bourne in this riveting middle-grade mystery thriller. When a young boy is discovered in Washington DC's National Gallery without any recollection of who he is, so begins a high-stakes race to unravel the greatest mystery of all: his identity. As the stakes continue to rise, the boy must piece together the disjointed clues of his origins while using his limited knowledge to stop one of the greatest art frauds ever attempted.

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?

The Boxcar Children are helping a friend find out more about their family's history. But what they find is a mystery going back generations! Can the Aldens help their friend unlock secrets of the past - and present?

Those two bad men, Lanky Len and Hefty Hugh, are back! They may be in the city instead of the farm, but they haven't changed their thieving ways. In fact, they're even more ambitious. They're planning to steal a monkey from the zoo and use it to pinch the Queen's crown. It's a pity for them that a certain crime-busting ladybird is holidaying in the very same city...and she's got a good idea that will ensure the dastardly pair won't get away with it!

In the eighth book in the number-one best-selling Alex Rider series by Anthony Horowitz, Alex meets international do-gooder Desmond McCain. But a simple card game between them rapidly leads to a duel to the death - one that could result in the destruction of an entire country.

The deadly fifth mission in the number-one best-selling Alex Rider series. In the fifth book in the number one best-selling Alex Rider series by Anthony Horowitz, teenage spy Alex travels to Venice to discover the truth about his past. But the truth lies with a criminal organisation known as Scorpia, and Alex must make a choice...work for MI6 once more, or betray everything he believes in.

Jackson and Quigley were this close to joining the FBI (Frosty Bureau of Investigation), until Jackson’s mom found out and they ended up scrubbing seagull poop instead. At least they have Uncle Bryn’s birthday party to look forward to. But when they get to the Ice Cream parlor, the FBI agents are acting strange. Instead of talking, Uncle Bryn and his friends just finish their glowing green ice cream, then jump into a waiting ice cream truck and disappear. It's obvious that something has gone very, very wrong, and now Uncle Bryn is suspected of being a master thief!

It is the summer of 1940. The world is at war. These days, you don't know who you can trust or who might be a secret spy… Maths whizz Jakob Novis has been recruited to the secret codebreaking centre at Bletchley Park. As Jakob works to crack the Nazi's Enigma cipher, his younger sister Lizzie is busy on an undercover mission of her own: to find their mother. Filled with codes to decipher and mysteries to unravel, this is the unputdownable historical adventure that will have you on the edge of your seats.

Join Frank and Joe Hardy on their very first mystery adventure in The Tower Treasure! When a daring robbery leaves their friend’s family in dire straits, the Hardy boys take it upon themselves to uncover the truth and clear his name. Their search leads them to hidden clues, suspicious characters, and a mysterious old tower that holds secrets of its own.

Leroy AKA Encyclopedia Brown has a secret. His father may be the most regarded and respected police chief in town, but that's only because the cases he brings home are thoroughly solved by Encyclopedia at the dinner table each night. So Encyclopedia sets up a detective stand in his garage with his best friend and detective partner Sally, willing to help any potential client in need of cracking a case. As it turns out, lots of people in their small town of Idaville are interested in Encyclopedia's uncanny ability to solve even the toughest mystery.

Plato is back...that is, back on the scene. Once again, he's lost and Beulah is worried. However, when she calls on Hank to head up a rescue effort, little do either of them realize that their search will lead them right into the path of the hungry cannibal brothers, Rip and Snort. Will Hank be able to protect Miss Beulah and find Plato, or will help–for both of them–come from an unexpected source? Find out in this new mystery from everyone's favorite Head of Ranch Security!