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When the Aldens take a summer trip to the New England coast, they have a fun place to stay: a lighthouse! But strange things happen after it gets dark—an unknown woman is seen walking around, and Watch, the Aldens' dog, wakes up growling late at night. Can the Boxcar Children shed light on a seaside mystery?

Carve out family time for this Halloween read perfect for beginning readers! Kids can problem-solve with Nate, the world's greatest detective, using logical thinking to solve mysteries! It is Halloween night, and all the kids are dressed up to go trick-or-treating. But Nate's friend Rosamond...

Jeremy Fink has big plans for this summer with his best friend Lizzy, a notorious troublemaker (and no, he does not have a secret crush on her). He has everything he needs within a few blocks of his home, so he never has to leave his little neighborhood. And this summer, he officially becomes a teenager.

The Alden children are staying at the New England farmhouse where their grandfather grew up. There are many stories and legends about the old farm, and there's a woodshed near the house that holds a surprising secret...a secret that dates all the way back to the Revolutionary War!

Baby Zeke investigates a shocking crime! A villager arrested. A mysterious drop pile. A missing nether star! Can Baby Zeke discover who stole the nether star before it's too late? This book includes a bonus short story at the end!

Weatherby is a fish out of water. When she lands a scholarship to the prestigious Boston School, she's excited to be in the same world as her dad, whom she's never met, and make real friends. But Weatherby has a secret she'll risk everything to protect, one that could destroy her new life. Every member of Jack's wealthy and privileged family has made their mark at the Boston School. Everyone, that is, except for Jack, who is entirely mediocre. He's desperate to prove his worth to his influential father. But Jack has a secret of his own . . . one with the power to ruin everything.

Dear diary... The good news: Bess, George, and I are on a train bound for Denali National Park, gazing at majestic Mount McKinley as we speed along. It's truly awesome! The bad news: Someone - a creepy passenger or a disgruntled employee? - is still causing major trouble on the Arctic Star cruise ship, and now that we're sightseeing on land, the danger has followed. Whoever it is has got even me in their sights - but I've been working undercover, so I have no idea how anyone discovered I'm a detective.

Cam and her friend Eric are selling chocolate fudge and rice cakes door-to-door for charity. Eric can’t remember what to tell the customers. But Cam has no trouble. She simply looks at the speech and says "click". Then she stores a picture of it in her mind. When Cam sees a woman coming from a yellow house, she knows something is wrong. The woman is wearing a rain coat, but it isn’t raining. She’s wearing dark glasses, but the sun isn’t shining. And the yellow house looks deserted. Will Cam be able to solve the mystery with her amazing photographic memory?

When Cam and Eric go on a field trip to the museum with their fifth grade class, Cam - with her photographic memory - makes an interesting discovery: dinosaur bones are missing from one of the exhibits. When no one believes them, they decide to catch the thieves themselves. As they stake out the library, a mysterious milk truck stops by. Cam knows something is wrong. The logo on the truck does not match the logo on the milk carton they drank from at lunch. The game is afoot! Will they find the missing dinosaur bones when they follow the truck to a neighborhood house?

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! After helping the FBI solve an art theft at the National Gallery and uncovering a DC spy ring, Florian's finding life at Alice Deal Middle...

The shadow of a man in black has followed fourteen-year-old Amy Cahill and her younger brother, Dan, on their worldwide search for 39 Clues that lead to a great power. Amy and Dan know the man in black has tried to kill them. They know he's a Madrigal, the most secretive and terrifying group hunting for the Clues. Amy and Dan have run hard and fast, but they can't escape the man following them. And now, in the wake of a terrible tragedy, he's ready to step out of the darkness for their final confrontation.

When a family friend, Grace, opens a sailing club on Lake Champlain at the former site of the Gemstone Islands Resort, Nancy, Bess, and George are invited to enjoy a few days of boating before the club’s official grand opening. But when they arrive, they learn there have been some strange things happening on the property, from missing items to holes dug all over the yard. Is someone trying to sabotage the club, and could it have anything to do with the fire that destroyed the old resort twenty years ago?

The Boxcar Children are spending the summer in a tiny, quiet New England fishing village. The little schoolhouse doesn’t have a proper teacher, so the Aldens are teaching! There’s also a very old library where nobody ever goes—nobody, that is, except for a mysterious stranger. For such a small town, Port Elizabeth has a lot of secrets!

The Aldens are spending the summer traveling on a houseboat! Throughout their journey, the children have the feeling that they’re being watched. Someone is watching them—and the thing that he wants is somewhere on their boat! He’ll stop at nothing to get it and it’s up to the Boxcar Children to figure out why!

The Aldens climb a mountain and find a mystery! The hike up Old Flat Top was only supposed to take a day, but a dangerous rockslide changes everything to reveal a hidden cave that just may hold a legendary treasure!

THIS JUST IN! Amy and Dan Cahill were spotted on a train, hot on the trail of one of 39 Clues hidden around the world. BUT WAIT! Police report a break-in at an elite hotel, and the suspects ALSO sound suspiciously like Amy and Dan. UPDATE! Amy and Dan have been seen in a car . . . no, in a speedboat chase . . . and HOLD EVERYTHING! They're being chased by an angry mob?!? When there's a Clue on the line, anything can happen.

Nancy and Ned are visiting Coffin Hall, an estate turned rare books library, doing research on the library’s rumored ghost for an episode of the NedTalks podcast when a fire breaks out in the records room. One of the library’s security guards accuses Ned of arson — after all, he was the only one in the room when the fire started — but Ned swears it wasn’t him. He was trying to stop the fire. He tells Nancy he saw a lady in blue right before the incident, and thinks it was Henrietta Coffin, the ghost of Coffin Hall!

Cruel beetle fashionista, Lucretia Cutter, is at large with her yellow ladybird spies. When Darkus, Virginia and Bertolt discover further evidence of her evil, they're determined to stop her. But the three friends are in trouble. Darkus' dad has forbidden them to investigate any further. Hope...

Beginning readers are introduced to the detective mystery genre in these chapter books. Perfect for the Common Core, kids can problem-solve with Nate, using logical thinking to solve mysteries! Oliver's boring beach bag is gone! This is a perfect case for Nate the Great and his trusty dog...

Betrayed by their cousins, abandoned by their uncle, and with only the slimmest hint to guide them, fourteen-year old Amy Cahill and her younger brother, Dan, rush off to Egypt on the hunt for 39 Clues that lead to a source of unimaginable power. But when they arrive, Amy and Dan get something completely unexpected—a message from their dead grandmother, Grace. Did Grace set out to help the two orphans . . . ore are Amy and Dan heading for the most devastating betrayal of them all?