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Maddie Robinson has always been overlooked: by her parents (who disappeared), by her friends (who are nonexistent), and even science fair judges (who think she has “so much...potential”). So when a mysterious man called The Recruiter invites her to join a secret society of spies, Maddie is floored. Then she discovers that these super secret super spies are the Illuminati - the world’s most covert organization rumored to control, well, everything. And one more thing: The Illuminati are kids, like Maddie!

New York Times bestselling authors and creators of the mega-popular YouTube series Game Master Network Matt and Rebecca Zamolo return with a brand-new adventure about everyone’s favorite mystery-solving team.

Sophie Young and Grace Yang: best friends, seventh graders, spies. Equipped with walkie-talkies, binoculars, and candy, the girls sneak out for one of their midnight spy missions expecting a simple stakeout. But what starts as a silly game turns very real when they peek in on Luna Vista's notoriously bizarre middle-school counselor, Dr. Charlotte Agford (aka Dr. Awkward). Is there more to Dr. Agford than her tacky clothes and sugary falsetto voice? Sophie and Grace are convinced something sinister lurks below the surface... and they just might be right.

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?

It was 1798 when the Morningstarr twins arrived in New York with a vision for a magnificent city: towering skyscrapers, dazzling machines, and winding train lines, all running on technology no one had ever seen before. Fifty-seven years later, the enigmatic architects disappeared, leaving behind for the people of New York the Old York Cipher - a puzzle laid into the shining city they constructed, at the end of which was promised a treasure beyond all imagining.

Nancy Clancy is growing up and ready for a whole new adventure... in her chapter book debut! Nancy and her best friend, Bree, have everything they need to solve a mystery, from their totally professional trench coats to their top-secret code. But when crime strikes in their classroom, will these super sleuths be able to crack the case? Find out in the glamorous start to an all-new chapter book series featuring everyone s favorite fancy girl!

Noah, his sister Megan, and their best friends, Richie and Ella, live next door to the zoo. Megan is the first to notice the puzzling behavior of some of the animals. One day Megan disappears, and her brother and their friends realize it’s up to them to find her. Their only choice is to follow a series of clues and sneak into the zoo. But once inside, will they discover there’s much more to the Clarksville City Zoo than they could ever have guessed?

In New York Times best-selling author Dan Gutman's all-new series, which blends fascinating real history with an action-packed and hilarious adventure, four very different kids are picked by a mysterious billionaire to travel through time and photograph some of history's most important events. This time the four friends are headed to 1863 to catch Abraham Lincoln delivering his famous Gettysburg Address.

Will the twins make it back home to California in one piece, or will they fall off the top of the Golden Gate Bridge? It's all coming to an end with this fifth book in the Genius Files series. You'll have to listen to believe it!

Blessed with extraordinary abilities, orphans Philippa, Sam, and Thomas have grown up happily in Dumfrey's Dime Museum of Freaks, Oddities, and Wonders. But when a fourth child, Max, a knife thrower, joins the group, it sets off an unforgettable chain of events.

In this third book in the exceptional Curiosity House mystery series by best-selling author Lauren Oliver and mysterious recluse H. C. Chester, four children must uncover the evil Nicholas Rattigan's newest dastardly scheme, wage war with a rival freak show, and deal with a spy who may have infiltrated their happy home.

Pippa, Sam, Thomas, and Max are happy to be out of harm's way now that the notorious villain Nicholas Rattigan is halfway across the country in Chicago. But unfortunately their home, Dumfreys' Dime Museum of Freaks, Oddities, and Wonders, is in danger of closing its doors forever. But their troubles only get worse. The four friends are shocked when their beloved friend, famous sculptor Siegfried Eckleberger, is murdered.

Ridley Pearson brings us the origins of the rivalry between literature's most famous enemies - Sherlock Holmes and James Moriarty - told from the perspective of James' observant little sister, Moria. Before James grew up to be a ruthless, remorseless villain, he was a curious boy from Boston, with a penchant for trouble and an acid tongue. Thrown into a boarding school against his wishes, James winds up rooming with a most unlikely companion: a lanky British know-it-all named Sherlock Holmes.

It was only a few days ago that Tess Biedermann, Theo Biedermann, and Jaime Cruz, along with a mysterious figure from the past, managed to survive an assault on the location of the latest clue in the Morningstarr cipher - and, in the process, made a shocking discovery about their own connection to this 160-year-old enigma. Now the friends are divided. Tess and Theo have no idea what the photo they found in Greenwood Cemetery means, but Jaime is convinced that they do, and that they've been keeping their own secrets from him.

The year: 1983. The place: Ohio. The camp: Scary as heck. Camp Sweetwater is finally reopening, three decades after it mysteriously shut down. Campers Corryn Quinn and Tez Jones have each had more than enough of their regular lives - they’re so ready to take their summer at Sweetwater by storm. But before they can so much as toast one marshmallow, strange happenings start...happening. Can they survive the summer? Or will Camp Sweetwater shut down for good this time - with them inside?

Jaclyn Hyde is almost perfect. Whether she’s baking cookies for her classmates, building a replica Mt. Vesuvius for the science fair, or practicing her lines for Fog Island: The Musical, she almost never makes mistakes. But when she discovers the last batch of perfection potion in an abandoned laboratory, Jaclyn decides that being almost perfect isn’t perfect enough anymore.

Eleven-turning-12-year-old Cassie is an expert Peacock Detective. Her sharp eye for details is why the Hudsons from across the street call her every time their pet peacocks wander away. But there are some things even the greatest Peacock Detective can’t figure out, like why her best friend is so angry lately; why her older sister is cutting her hair off; or why her parents are acting like they don’t know each other anymore. Cassie is an expert at solving things. But what’s a master detective to do when her whole world is changing, and all the answers are out of reach?

For years, Miranda has stared at postcards of August Isle, Florida. The town where her mother spent her summers as a girl. The town that Miranda has always ached to visit. She just never wanted it to happen this way. When she arrives on the isle, alone and uncertain, to stay the summer with an old friend of her mother’s, Miranda discovers a place even more perfect than she imagined. And she finds a new friend in Sammy, “Aunt” Clare’s daughter. But there is more to August Isle than its bright streets and sandy beaches, and soon, Miranda is tangled in a web of mysteries.

It was only a few weeks ago that the Biedermann twins, Tess and Theo, along with their friend Jaime Cruz, followed the secrets of the Morningstarrs’ cipher further than anyone had in its century-and a-half history - and destroyed their beloved home in the process. But the Old York Cipher still isn’t solved. The demolition of 354 W. 73rd Street only revealed the next clue in the greatest mystery of the modern world, and if they want to discover what lies at the end of the puzzle laid into the buildings of New York by its brilliant, enigmatic architects, they will need to press on.

When Sargent Singer discovers that the paintings in his father’s gallery are alive, he is pulled into a captivating world behind the frame that he never knew existed. Filled with shady characters, devious plots, and a grand art heist, this inventive mystery-adventure celebrates art and artists and is perfect for fans of Night at the Museum and Blue Balliett’s Chasing Vermeer. There’s one important rule at the Beaverbrook Gallery - don’t let anyone know the paintings are alive.