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Though I, Timmy Failure, have solved many notorious crimes and now wish to enjoy my retirement, my fans have begged me to turn my memoirs into a movie, an ode to my greatness. I am, however, beset by enemies, the worst of whom is Tom John John, the buffoonish movie director. What’s more, my father is in town, working at a bar, which is obviously just a cover for our father-son crime-fighting partnership. And my dimwitted polar bear business partner, Total, wants to be reunited with his family.

Florian is 12 years old and has just moved to Washington. He's learning his way around using TOAST, which stands for the Theory of All Small Things. It's a technique he invented to solve life's little mysteries. But when he teaches it to his new friend Margaret, they uncover a mystery that isn't little. In fact, it's huge, and it involves the National Gallery, the FBI, and a notorious crime syndicate known as EEL. Can Florian decipher the clues and finish his homework in time to help the FBI solve the case?

When Nick and Tesla Holt are sent to live with their eccentric Uncle Newt, they find their new neighborhood is full of secrets. What the heck is going on? To unravel the mysteries (and save their skins), Nick and Tesla must use everyday household objects to build electromagnets, rocket launchers, and other crazy contraptions.

Jimmy Stoker's dreams have been full of tigers since he started his Saturday job at the zoo. Boris, the great Siberian tiger, has died and rumours abound about what's going to happen to him now. Jimmy hears that someone wants to steal Boris's bones, because tiger bones reputedly have healing powers and fetch a lot of money on the black market. So when he sees the tiger being smuggled out of the zoo, he fears the worst. With the help of his schoolmate Billy and his old friend Major Gregory, Jimmy is determined to investigate.

Twelve-year-old Amy knows there's some connection between Aunt Claire's old dollhouse in her great-grandparents' attic and a deadly family secret from years ago. Aunt Claire seems upset about the dollhouse, which is a replica of the house they're in, but she's not talking.

Nobody wants to adopt the Shluffmuffin twins. Wally's feet stink something awful, and Cheyenne is allergic to everything. Then why are the Mandible sisters so eager to take them home? And what sort of old maids would choose to live in a place called Dripping Fang Forest, where zombies wander the woods singing "Itsy Bitsy Spider" and 10-foot-long glowing slugs want to suck the feet right off your ankles?

In 11 Birthdays, Amanda and her best friend, Leo, stopped speaking to each other for a year. What happened when they started talking again led to the adventure of a lifetime. Now they haven't spoken for another year - and the result is even more bizarre. This time it's not just about them. Their friend's little sister, Grace, has fallen into a strange frozen state on her tenth birthday. Amanda and Leo quickly realize that Angelina D'Angelo - the mysterious old woman behind all of the magical happenings in Willow Falls - is involved.

Olivia Sharp, cousin to super sleuth Nate the Great, is a detective too! Rather than solve mysteries like Nate, Olivia helps friends with their problems by detecting what's wrong beneath the surface. You'll be won over by Olivia's spunk, eccentricities, and can-do spirit. Olivia Sharp is one smart agent for secrets - which means she knows how to read between the lines. Olivia's best friend, Taffy Plimpton, has a problem. Taffy wants to join a secret club, but its members won't let her in. Why not? It's a secret that Olivia is determined to find out!

When seventh grader Georges (the S is silent) moves into a Brooklyn apartment building, he meets Safer, a 12-year-old coffee-drinking loner and self-appointed spy. Georges becomes Safer's first spy recruit. His assignment? Tracking the mysterious Mr. X, who lives in the apartment upstairs. But as Safer becomes more demanding, Georges starts to wonder: how far is too far to go for your only friend? Liar & Spy is an inspired, often-funny story about destiny, goofy brilliance, and courage.

These audiobooks introduce young listeners to the detective mystery genre. Perfect for the Common Core, kids can problem-solve with Nate, using logical thinking to solve mysteries! Nate the Great is about to enter his dog, Sludge, in the smartest pet contest. But when the prize disappears, it looks as if the contest will flop. It's a tough case for Nate and Sludge as they search for clues leading to the missing prize. In more ways than one, it's a very fishy business. Can Nate and Sludge find the prize in time?

Fourteen-year-old Amy Cahill and her younger brother, Dan, thought they could return to their regular lives when they found the 39 Clues that safeguard their family’s great power. But they were wrong. Powerful enemies – the Vespers – have been waiting in the shadows. And they’ll stop at nothing to grab the Clues. Four powerhouse authors unite to expose the 500-year-old secret struggle between the Cahills and the Vespers. The Vespers are rising . . . and the world is in jeopardy.

While enjoying a summer day boating on Barmet Bay, Frank and Joe end up saving Mary Todd from downing. She was on her way to see their father, Fenton Hardy about the mysterious disappearance of her brother. While Fenton Hardy went to search for him, Frank and Joe discovered a few small details about the missing professor. Fenton Hardy returned after his unsuccessful search as the boys were heading to a camping trip with Chet and Biff to Honeycomb Caves.

Katie Woo and Pedro are hot on the trail of a treasure map. But as it catches in the breeze, it keeps disappearing on them. Will they be able to nab the map and will it lead them to real treasure?

The ever-suspicious students at Bailey School lose control of their imaginations again when they meet new school nurse Mrs. Redding, who they come to believe is a Martian spying on Earth kids.

The third, explosive mission in the number one best-selling Alex Rider series. In the third book in the number one best-selling Alex Rider series by Anthony Horowitz, teenage spy Alex faces his most dangerous challenge yet. Teaming up with the CIA, Alex must go to a remote Caribbean island called Skeleton Key, where the insane general Sarov is hatching explosive plans to rewrite history.

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! Along with his best friend, and Watson to his Sherlock, Margaret, Florian's making the case that kids can do anything. When Florian and Margaret's FBI supervisor, Marcus Rivers, is accused of a crime, it's up to this mystery-solving duo to jump into action and clear his name because Marcus is more than their boss - he's family.

Much to their surprise, the Peaches had a great summer running their food truck business selling their pies across the Mid-West, but they're happy to be back home in Duluth, Minnesota, where they can settle back into a routine just in time for the new school year. That is until Great Aunt Lucinda wants to gift them her historic mansion. But there are conditions: they're to turn it into a cozy bed-and-breakfast, something the Peach kids' mom always dreamed of before she passed away. And they only have until Thanksgiving to do the renovations and prove they can make the business work.

Many people go their whole lives without noticing anything that is afoot, amiss, or even untoward; without ever experiencing that toe-tingling, stomach-twisting sensation that a mystery is about to unfold. Not Bonnie Montgomery—the world's best detective. Not that anyone (other than Grampa Banks) has heard of her… But they might have heard of the great Montgomery Bonbon, the well-dressed gentleman detective who (apart from the hat and moustache) looks suspiciously like a 10-year-old girl.

Has our crime-fighting hero finally met his match? The evil Professor Moriarty seems able to guess his every move. As Holmes closes in on his arch-enemy, the two prepare to meet in a final confrontation. Who is going to win?

My troublemaker cousin was trapped in Transratania! And before I could even squeak, my sister, Thea, dragged me along on her rescue mission. Little did we know that Transratania is the land of vampire bats! Holey cheese, bats give me goose bumps!