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It's Mo and Kayla's tenth birthday, and to celebrate, Grandma Gerry has devised a scavenger hunt. The friends must work together to solve the riddles and then find the objects belonging to neighbors on Meadow Lane. When one of the objects is missing, they must use their mystery-solving skills to figure out what happened. Will they find it in time?

Papa Mick in Not! Gerade ist Mick Janssen von seiner Lesereise zurück und möchte den Erfolg seines neuen Buches genießen, als die Polizei vor der Tür steht und ihn als Hauptverdächtigen in einer Einbruchserie festnimmt. Die Spur des Täters zieht sich durch ganz Deutschland - und die Tatorte entsprechen genau den Städten, an denen Micks Lesungen stattgefunden haben. Trotzdem zweifeln Emma und Lukas keine Sekunde an der Unschuld ihres Papas. Nun müssen sie nur noch Kommissar Stone davon überzeugen …. Können Emma und Lukas ihrem Papa helfen? Die Nordseedetektive.

Each story in the Zoey and Sassafras series features a new magical animal with a problem that must be solved using science. There isn’t a set formula for each book; Zoey sometimes needs to run experiments, while other times she needs to investigate a mystery, and yet other times she needs to do research. Zoey models how to keep a science journal through her handwritten entries in each story. Each story is complete with a glossary of the kid-friendly definitions for scientific terms used.

Kyle Keeley is the class clown, popular with most kids, (if not the teachers), and an ardent fan of all games: board games, word games, and particularly video games. His hero, Luigi Lemoncello, the most notorious and creative game maker in the world, just so happens to be the genius behind the building of the new town library. Lucky Kyle wins a coveted spot to be one of the first 12 kids in the library for an overnight of fun, food, and lots and lots of games. But when morning comes, the doors remain locked.

Harrison Beck is reluctantly joining his travel-writer Uncle Nate for the last journey of the royal train, The Highland Falcon. But as the train makes its way to Scotland, a priceless brooch goes missing, and things are suddenly a lot more interesting. As suspicions and accusations run high among the passengers, Harrison begins to investigate and uncovers a few surprises along the way. Can he solve the mystery of the jewel thief and catch the culprit before they reach the end of the line?

The beloved American Girl History Mysteries features intrepid girls faced with intriguing situations. The author of this installment, Kathryn Reiss, has received the ALA Best Book for Young Adults Award. In Riddle of the Prairie Bride, it's 1878 and Ida Deming and her papa are looking forward to meeting his mail-order bride. But is this woman really who she claims to be?

Help Dink, Josh, and Ruth Rose solve mysteries from A to Z! This collection includes Detective Camp, Mayflower Treasure Hunt, White House White-Out, and Sleepy Hollow Sleepover.

With their trip to Kroon behind them, Mateo, Tina, Booker, and Jennica are back on Earth, Elvis the dog is no longer missing, and all is safe and sound...right? Wrong! Hot on their tails are Grunthar and his motley alien crew. NoWay and Clorox have made their way to Earth, too, ready to help the kids against whatever Grunthar is planning. Tina is determined to be the hero this time, but will she be able to figure out what the alien inventor is up to before it’s too late?

He wasn't born with the name Maniac Magee. He came into this world named Jeffrey Lionel Magee, but when his parents died and his life changed, so did his name. And Maniac Magee became a legend. Even today kids talk about how fast he could run; about how he hit an inside-the-park "frog" homer; about how no knot, no matter how snarled, would stay that way once he began to untie it. But the thing Maniac Magee is best known for is what he did for the kids from the East Side and those from the West Side.

When troublesome Scarlet mysteriously disappears from Rookwood School, terrifying Miss Fox invites her quiet twin sister Ivy to ‘take her place’. Ivy reluctantly agrees in the hopes of finding out what happened to her missing sister. For only at Rookwood will Ivy be able to unlock the secrets of Scarlet’s disappearance, through a scattered trail of diary pages carefully hidden all over the school.

Where could those wolves be? When the kids visit the Maine wilderness, they spot a white mother wolf and her babies on a cliff. But soon after that, the pups are stolen! Can Dink, Josh, and Ruth Rose sniff out the culprits?

These are just some of the 10 brain-twisting mysteries that Encyclopedia Brown must solve by using his famous computerlike brain. Try to crack the cases along with him!

No mystery is too great for super-sleuth Cam Jansen and her amazing photographic memory! Can Cam help catch the diamond thief? Cam and her friend Eric are sitting at the mall when the jewelry store is robbed. Cam sees the thief, but the police arrest the wrong person. Now it's up to Cam to catch the real criminal!

Anisha is all set to be a (reluctant) bridesmaid at Aunty Bindi's wedding...until a secret ransom note arrives. Bindi's groom has been kidnapped and will only be released if the wedding is called off! With best friend Milo, mischievous Granny Jas, a runaway lobster, a kitten-loving giant, and some super skills of logic and observation, it's up to Anisha Mistry to find her uncle, before the big family wedding of the year becomes a big disaster.

From the author of the Deltora Quest series comes a classic children's series in the tradition of The Famous Five. Richelle is delighted when the Teen Power gang is hired to be extras in a TV commercial for a new candy bar called The Lot. Is this her big break? Her chance to get into modeling or the movies? At last they've found a job that's interesting, and trouble-free.

From the internationally bestselling author of the Deltora Quest series. Book 2 in the Raven Hill Mysteries series - involving detective work in the style of Secret Seven or Famous Five: each book features a different character.

Ancient pyramids can be flat-out dangerous! Ever since Stanley was flattened by a bulletin board, there are places he can get to that no one else can. So when Stanley receives a letter from an archaeologist, he travels by airmail to Egypt to help find an ancient treasure deep in the heart of a great pyramid. But what if even the flattest boy on earth can't wriggle out of this dark tomb - and the terrible mess he finds himself in?

Eight-year-old Nancy Drew and her friends enter a sand-castle-building contest. Someone doesn’t want them to win and won’t play fair. When their castle is destroyed, and a mean message is found in the sand, Nancy becomes a detective once again.

Julian, Dick and Anne are spending the holidays with their tomboy cousin George and her dog, Timothy. One day, George takes them to explore nearby Kirrin Island, with its rocky little coast and old ruined castle on the top. Over on the island, they make a thrilling discovery, which leads them deep into the dungeons of Kirrin Castle on a dangerous adventure. Who - and what - will they find there?

Charlie Thorne is a genius. Charlie Thorne is fearless. Charlie Thorne may have finally met her match. Charlie Thorne is used to being on the run. Ever since she was recruited by the CIA to track down Einstein’s most dangerous equation, Charlie—and former CIA agents Dante Garcia and Milana Moon—have traveled around the world to prevent history’s greatest discoveries from falling into the wrong hands. But after beating others to the secrets hidden by Einstein, Darwin, and Cleopatra, they find they are not the only ones searching for an immensely powerful discovery of Isaac Newton’s.