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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!

When a mysterious little free library (guarded by a large orange cat) appears overnight in the small town of Martinville, eleven-year-old Evan plucks two weathered books from its shelves, never suspecting that his life is about to change. Evan and his best friend Rafe quickly discover a link between one of the old books and a long-ago event that none of the grown-ups want to talk about. The two boys start asking questions whose answers will transform not only their own futures, but the town itself.

Adventure-loving penguin Jackson dreams of being a secret agent like his Uncle Bryn, who works for the Frosty Bureau of Investigation. Jackson and his gadget-inventing best friend, Quigley, might officially be too young to join the FBI, but they aren’t going to let that stop them! They just need to come up with the right plan to prove they are worthy. But when one of Q’s inventions goes dangerously wrong, Jackson suddenly finds himself dropped right in the middle of an FBI stakeout. There’s fishy business afoot at the city’s aquarium....

Marine Biologist Doc Ford has a new mission for Sharks Inc.: visit Sanibel Island’s remote Bone Field to find a wild orange tree that's survived a disease destroying Florida’s citrus. There, the members of Sharks Incorporated find oranges unlike any they’ve ever seen but can’t find the tree Doc needs. Worse, the area is protected by a massive saltwater crocodile.

Following his adventure on the California Comet, artist and amateur sleuth Hal Beck is looking forward to another railway journey with Nat, his journalist uncle - this time riding the historic Safari Star through South Africa. Then the already eventful journey becomes even more so when one of their fellow passengers dies on board!

After his adventure on the Highland Falcon, amateur sleuth Hal Beck is excited to embark on another journey with his journalist uncle. This time, they're set to ride the historic California Comet from Chicago to San Francisco. Hal mostly keeps to himself on the trip, feeling homesick and out of place in America. But he soon finds himself drawn into another mystery when the young daughter of a billionaire tech entrepreneur goes missing!

Eleven-year-old Maria de la Cruz is trapped under the thumb of Madame Destine, her pseudo-psychic mother. Destine is a bona fide con artist who will stop at nothing to swindle her customers into believing she can communicate with the dead. But Maria, unlike her mother, has a big secret - she really can communicate with the dead, most frequently with a ghost named Edward who has been her only friend since she was a child. It’s not long before this clairvoyant young sleuth gets wrapped up in an epic journey.

Back at the Winterhouse hotel for another holiday season, Elizabeth and Freddy dig deeper into the mystery surrounding Riley S. Granger, a hotel guest who left behind odd artifacts - one being a magical book that the evil Gracella Winters once attempted to use to gain destructive power over the entire Falls lineage. The two friends follow a trail of clues, inadvertently attracting the attention of a suspicious new hotel guest: Elana Vesper. The clock is ticking as they struggle to figure out whether Elana is merely a pawn or a player in the plot to revive the spirit of Gracella.

After James gets a pen-and-ink set for his birthday, Marvin the beetle surprises him by creating an elaborate miniature drawing. James gets all the credit for the picture and before these unlikely friends know it they are caught up in a staged art heist at the Metropolitan Museum of Art that could help recover a famous drawing by Albrecht Dürer. But James can't go through with the plan without Marvin's help. And that's where things get really complicated (and interesting!)

Jack Gantos' rocket-paced follow-up to the Newbery Medal–winning novel Dead End in Norvelt opens in the 1960s, deep in the shadow of the Cold War and the Cuban missile crisis. But instead of Russian warheads, other kinds of trouble are raining down on young Jack Gantos and his utopian town of Norvelt in western Pennsylvania. After an explosion, a new crime by an old murderer, and the sad passing of the town's founder, twelve-year-old Jack will soon find himself launched on a mission that takes him hundreds of miles away.

Melding the entirely true and the wildly fictional, Dead End in Norvelt is a novel about an incredible two months for a kid named Jack Gantos, whose plans for vacation excitement are shot down when he is "grounded for life" by his feuding parents, and whose nose spews bad blood at every little shock he gets. But plenty of excitement (and shocks) are coming Jack's way once his mom loans him out to help a fiesty old neighbor with a most unusual chore—typewriting obituaries filled with stories about the people who founded his utopian town.

Orphan Elizabeth Somers’ malevolent aunt and uncle ship her off to the ominous Winterhouse Hotel, owned by the peculiar Norbridge Falls. Upon arrival, Elizabeth quickly discovers that Winterhouse has many charms - most notably its massive library. It’s not long before she locates a magical book of puzzles that will unlock a mystery involving Norbridge and his sinister family.

From a new coach's flagrant racism to a teammate's endless sabotage, best friends Andi Carillo and Jeff Michaels start basketball season mired in controversy. To make matters worse, the local media smells more than one juicy story. Will Andi and Jeff be able to help each other power through and find a way to put both their teams back on track?

Summer's finally here, and Derek Fallon is looking forward to pelting the UPS truck with water balloons, climbing onto the garage roof, and conducting silly investigations. But when his parents decide to send him to Learning Camp, Derek's dreams of fun come to an end. Ever since he's been labeled a "reluctant reader", his mom has pushed him to read "real" books - something other than his beloved Calvin & Hobbes.

The world’s shark population is in trouble for a sad, simple reason: shark fin soup. And although it’s illegal, poachers have been targeting Florida’s biannual migration of blacktip sharks. Marine biologist Doc Ford needs some assistance protecting the sharks and enlists the help of three kids - Luke, Maribel, and Sabina. Luke is brand-new to Florida from the Midwest; sisters Maribel and Sabina have only recently arrived from Cuba - and all three feel like fish out of water. It’s going to take some convincing for them to work as a team.

When 11-year-old Harrison "Hal" Beck is forced to accompany his travel-writer uncle on the last journey of a royal train, he expects a boring trip spent away from video games and children his age. But then Hal spots a girl who should not be on board, and he quickly makes friends with the stowaway, Lenny. Things get even more interesting when the royal prince and princess board for the last leg of the journey - because the princess' diamond necklace is soon stolen and replaced with a fake!

It’s springtime at Winterhouse, and Elizabeth is settling into the joyful chaos of her new home. But it isn’t long before she and Freddy are drawn into an ominous new mystery. Guests at the hotel start behaving oddly, and Elizabeth’s powers manifest in thrilling - sometimes frightening - new ways. As unnatural tremors shake the foundations of Winterhouse, Elizabeth hears cries for help from Gracella Winters, a villain she’d thought dead and gone for good.

Twelve-year-old Viviani Fedeler, proud resident of the New York Public Library, has her sights set on becoming a star reporter. She’s thrilled when Miss Hutch announces a story contest where the winner gets their essay printed in the New York Times! But then, Viviani gets her first-ever case of writer’s block. As she struggles to find inspiration, the library is hit with a strange mystery involving overdue books, secret messages, and perhaps a spy lurking among the shelves.... Will Viviani be able to crack the code and find the perfect story worthy of a byline?

Twelve-year-old Jeff Michaels, son of a Philadelphia TV sports reporter, is just learning to play soccer on the new sixth-grade team at his middle school. Andrea Carillo has fought her way onto the squad, but the coach doesn’t think girls should play with boys, so she’s riding the bench with Jeff - even though she’s one of the best players.

With their Very Exciting Spy Technology and their tried-and-true, toilet-based travel techniques, the InvestiGators are undercover and on the case! And on their first mission together, they have not one but two mysteries to solve! Can Mango and Brash uncover the clues, crack their cases, and corral the crooks—or will the criminals wriggle out of their grasp?