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After getting in trouble with his parents over the mayhem in MacRitchie, Sherlock Sam was forced to disband the Supper Club. However, his arch-nemesis continues to taunt him. This time, the top-secret final script of Singapore's most popular television series is stolen! Can Sherlock Sam, Watson and their friends resolve the dastardly plot twists in their way? Stay tuned to find out!

Billy, who lives in the town of Stony Brook, is having a miserable summer. Firstly, she's having a fight with her best friend, Dev. Secondly, it looks like her mums might have to sell their antique shop. And thirdly and perhaps worst of all, her goldfish Hepzibah has died (she killed it). But when Billy happens across some unusual spectacles through which she can not only see but hear ghosts–things take a spectral turn.

After Ben Warner is recruited to join a "science camp" led by the eccentric quantum physicist Dr. Madeleine Hughes, he quickly realizes it's no regular science camp. Along with his new friend, Peter, Ben discovers the secret, powerful art of Actuation--the ability to change reality by simply imagining it differently. When a mysterious group of men invade Dr. Hughes's laboratory, abducting her and stealing her precious equipment, Ben and Peter are suddenly caught up in a turf war between dangerous actuators desperate for Dr. Hughes's innovative technology.

The Supper Club encounter strange and impossible phenomena near Dad's workplace, and Sherlock Sam suspects that the weirdness is caused by alternate realities bleeding into his own. Together with Watson and the rest of the Supper Club, Sherlock Sam works to stop universes from colliding, lest they face a crisis of infinite number of Watsons spouting sarcasm everywhere they turn!

Watson has been kidnapped by Sherlock Sam's arch-nemesis! Will Sherlock and the Supper Club be able to decipher the baffling riddles that the fiend has set before them…before it's too late? Or will Sherlock's trusty teammate be lost forever? Discover what happens in the exciting conclusion of The Fiendish Mastermind Trilogy!

This special collection of short stories gives a glimpse into the alternative realities introduced in Sherlock Sam and the Quantum Pair in Queenstown, where different versions of the gang throughout time and space exist, from Ōnāy-359 and an Ancient Land That Was Not China to the town of Tumbleweed and a Place That Is Not on Any Map. It's Nazhar, Moran, Wendy, Mom and Dad, Officer Siva and Inspector Lestrade, Jimmy, Eliza, Watson, and Sherlock Sam as you've never seen them before!

Graysen Foxx is no stranger to the mysteries hidden in Ordinary Elementary—the bat-filled tunnels, the secret passageways, the underground chambers, and the sticky spiderwebs—and he’s on the hunt for a creepy old painting that will guarantee his victory in the school’s Halloween room contest. But finding and claiming the painting is only the beginning of a wild adventure filled with puzzles that will put Graysen’s treasure-hunting skills to the test. When Graysen finds a mysterious symbol on the back of a dusty spelling bee medal, the discovery spreads like creamy peanut butter.

Ordinary Elementary is anything but ordinary. Below the classrooms are winding, abandoned, underground passages filled with lost treasures. Fifth-grader Graysen Foxx, aka The Gray Fox—finder of secrets, solver of mysteries, and explorer of the unknown—is hot on the trail of the legendary treasure of long-since-retired Principal Redbeard, which includes a decades’ worth of confiscated gadgets, rare comic books, first-edition Pokémon trading cards, an original Rubik’s Cube, and a retro football handheld video game.

Solveig, a princess, is trapped in a hidden fortress with her siblings. As they wait for the winter and the unending ice to break, acts of treachery soon make it clear that a traitor lurks in their midst. Can Solveig, her siblings, and her best friend Mark survive the long winter months and expose the traitor before he (or she) succeeds in destroying the king, his empire, and his children?

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.

Something's brewing at the National Portrait Gallery Museum in Washington DC - 12-year-old Art is sure of it. But his only proof that a grand heist is about to take place is iced mocha, 42 steps, and a mysterious woman who appears like clockwork in the museum. When Art convinces his best friend, Camille, that the heist is real, the two begin a thrilling chase through DC to uncover a villainous scheme that could be the biggest heist since the Isabelle Stewart Gardner Museum theft in 1990.

They call themselves SYLO and they are a secret branch of the U.S. Navy. SYLO's commander, Captain Granger, informs Pemberwick residents that the island has been hit by a lethal virus and must be quarantined. Tucker believes there’s more to SYLO’s story. He was on the sidelines when the high school running back dropped dead with no warning. He saw the bizarre midnight explosion over the ocean, and the mysterious singing aircraft that travel like shadows through the night sky. He tasted the Ruby - and experienced the powers it gave him - for himself.

After a harrowing escape from the SYLO occupied Pemberwick Island, Tucker Pierce and his surviving friends have finally reached the mainland, only to find that no one is left. The once bustling seaport city is deserted.From the bowels of a Portland hospital where they encounter their first fellow survivor to the abandoned stores they must raid for supplies, Tucker, Tori, and company set off on a quest for answers and, for Tucker, vengeance. Tucker soon realizes that “trust no one” doesn’t just mean the U.S. military.

Detective Mia is determined to solve the mystery of her stolen sneakers. With her trusty notebook and keen eye for clues, will she be able to find the thief and bring them to justice?

Max, a clever young detective on Planet Mercury, discovers that the moons lighting up the night sky are vanishing one by one. Determined to solve the mystery, Max, his best friend Rudy, and the wise Professor Starfall embark on a cosmic adventure filled with puzzles and space creatures. Will they find the missing moons and restore balance to their world?

Ava is a dyslexic kid with three siblings. It's not easy. Her twin brother is a math wiz, and she shares a room with her two older sisters. But she hopes to forget that when her family sets out on a classic camping trip. Along the way, a strange beast darts into the road and Ava doesn’t see it before it runs off. Once at the campsite, everything seems normal until another camper spots the monster. The park ranger thinks it’s a prank but Ava is determined to find it.

The Brestleridge Gang: The Map of Kisatchie Join Max, Lorna, and Sammy on a thrilling journey back to 1938 Louisiana. In a town where cultures converge and treasures hide, these three young friends stumble upon a map to an extraordinary adventure. From hidden forests to breathtaking caves, they brave challenges and discover more than they could have ever imagined.

Barney wasn't happy when his parents moved him from the swamps of Louisiana to the mountains of Tennessee, but that was before he met Silas and Billie. Now it's nothing but fun, sun, and mountain air, until a large boot print is found near the creek behind the barn.

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.

Ellie “Scaredy Bat” Spark is a tween vampire that loves solving mysteries, but is afraid of...everything. She's afraid of spiders, clowns, and deep water, to name a few. And her pesky sister Penny never lets her forget it. But with a little courage and help from her friends, Ellie just might achieve her dream of becoming a real detective.