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.

Green Lawn, we have a problem! When Bradley Pinto wakes up in the night to strange lights in his backyard, he thinks there are aliens in town. When he sees three-toed footprints in the snow, he’s sure of it. His twin, Brian, and friends Lucy and Nate aren’t so certain. But then Lucy’s cousin Dink, the twins’ brother, Josh, and Nate’s sister, Ruth Rose, all disappear. Are there really aliens in Green Lawn? And where could they be taking Dink, Josh, and Ruth Rose?

A famous writer is coming to Green Lawn! Dink rushes to the bookstore to meet his favorite author, Wallis Wallace, and get all his books signed. But the author never shows up! Where is Wallis Wallace? It’s up to Dink and his friends Josh and Ruth Rose to track him down.

Go to The Dancing Men and ask for a saucer of milk for your snake. Then all will be revealed. That’s all the note says - before the ink disappears! Xena and Xander Holmes think living in London will be boring. But when they discover they’re related to Sherlock Holmes and inherit his unsolved casebook, life becomes much more exciting. The siblings set out to solve the cases their famous ancestor couldn’t, starting with the mystery of a prized painting that vanished 1000 years ago. Can two smart 21st-century kids succeed where the celebrated Sherlock Holmes could not?

Thanks to Kate's mom, a sports reporter, cousins Mike Walsh and Kate Hopkins have tickets to the Red Sox game and All Access passes to Fenway Park. But as they're watching batting practice before the game, the lucky bat of Red Sox star slugger Big D is stolen...right in front of dozens of people. Without the bat, Big D can't seem to hit a thing. Can Kate and Mike figure out who pinched the bat before Big D and the Sox chalk up a loss? The Fenway Foul-Up includes a fun fact section about Boston's Fenway Park.

Merlin Mission books 1-8 of the number-one New York Times best-selling Magic Tree House series, available together for the first time ever! Magic Tree House Merlin Missions are more challenging adventures for the experienced Magic Tree House fan. In each adventure Merlin the magician sends Jack and Annie on an adventure in the magic tree house.

Before Jake’s grandfather died, he was on the trail of a centuries-old mystery. And he has entrusted that mystery to Jake, leaving behind a set of hidden codes, riddles, maps, and other clues that lead Jake and his friends on a scavenger hunt into the heart of Colorado’s wild and rugged Rocky Mountain National Park.

What do you do when you try to turn into a dragon or a kitten, but you accidentally turn into a dritten instead? Or you try to conjure fire but can only make flurries? Or maybe you get to fly, but you can’t come back down? For Nory and her friends in Dunwiddle Magic School’s Upside-Down Magic class, magic is amazing, unpredictable, and out of control!

What would happen if you discovered that your family was one of the most powerful in human history? What if you were told that the source of the family's power was hidden around the world, in the form of 39 Clues? What if you were given a choice - take a million dollars and walk away...or get the first Clue? If you're Amy and Dan Cahill, you take the Clue - and begin a very dangerous race.

Rebekah Daniels is always excited about something. Most of the time, it's anything at all to do with solving a mystery. Now, she's super excited to be going to a brand-new school with her best friend, Mouse. But so far, her first day isn't starting out so well. She really couldn't help running into the janitor, because how would she get to class in time without running? But, the bigger question remains.... That janitor had shown up in the hall out of nowhere! Rebekah is sure of it. So, now she has her first fifth-grade mystery to solve, and it's a big one!

Before they were the Boxcar Children, Henry, Jessie, Violet, and Benny Alden lived with their parents on Fair Meadow Farm. Although times are hard, the Aldens are happy - “the best family of all,” Mama likes to say. One day, a blizzard hits the countryside, and a traveling family needs shelter. The Aldens take them in, and the strangers soon become friends. But things never stay the same at the farm, and the spring and summer bring events that will forever change their lives.

Henry, Jessie, Violet, and Benny didn't think the old trunk in their house held anything interesting. But an unusual statue they find inside leads them to the Reddimus Society, a secret guild dedicated to returning lost treasures to where they belong. Now the Aldens must help their new friends by traveling across the country with the statue and six mysterious boxes! Can the Boxcar Children keep these seven treasures out of the wrong hands?

When an oil spill takes place off the coast of Connecticut, the Aldens are happy to volunteer to help clean up the animals affected, including a rare species of shore bird. But could more have been done to prevent the spill? As the Aldens take up the case, it leads them on an adventure to help other endangered animals around the world.

Dear Diary...Bess, George, and I are actually in Alaska! Everywhere you look, there are massive mountains and sparkling, deep-blue waters. We're on the maiden voyage of the Arctic Star luxury cruise ship, and my old friend, Becca Wright, the assistant cruise director, needs our help. She received threatening emails before even setting sail; then a bloody body turned up in the swimming pool.

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.

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.

When you're the third of six kids, it's easy to get lost in the shuffle, but Sunday Fowler is determined that this summer she'll find the one thing that makes her stand out from her siblings. And when she discovers a silver box in the basement of the library her parents are renovating, she might just have found something to gain her the attention she so craves. Inside is a series of letters addressed to "The Librarian" and a manuscript. But who wrote them?

While looking out the window with her grandma's binoculars, Sammy witnesses a crime across the street at the Heavenly Hotel. What's worse, the thief saw her spying! As Sammy attempts to find the burglar who has made several other hits in the neighborhood, she finds herself trying to keep him from uncovering her - or worse, the police discovering that she's living illegally with her grandmother in the seniors-only housing!

Almost everybody who has grown up in Chicago knows about the Thorne Rooms. Housed in the Children’s Galleries of the Chicago Art Institute, they are a collection of 68 exquisitely crafted miniature rooms made in the 1930s by Mrs. James Ward Thorne. Each of the 68 rooms is designed in the style of a different historic period, and every detail is perfect, from the knobs on the doors to the candles in the candlesticks. Some might even say, the rooms are magic....

ALA Schneider Family Book Award-winning author Wendy Mass offers this tasty treat of a tale sure to appeal to any listener’s sweet tooth. The Candymakers follows 12-year-olds Logan, Philip, Daisy, and Miles as each tries to invent a candy even better than the Oozing Crunchorama. But with these contestants—who can detect chocolate by touch and lift 50 lbs. of taffy as if it weighed no more than a loaf of bread—it’s going to be a close race.

Annie's got bad news for her ex-boyfriend, curator Ernst Pettigrew: the snooty Brock Museum's new 15-million-dollar Caravaggio painting is as fake as a three-dollar bill. And the same night Annie makes her shattering appraisal, the janitor on duty is killed - and Ernst disappears. To top it all off, a well-known art dealer has absconded with multiple Old Master drawings, leaving yet more forgeries in their places. Finding the originals - and pocketing the reward money - will get Annie's new landlord off her back.

Welcome to the Sweet Tooth Ice Cream & Candy Shoppe, where the confections are a bit on the... unusual side. Rock candy that makes you weightless. Jawbreakers that make you unbreakable. Chocolate balls that make you a master of disguise. Four young friends - Nate, Summer, Trevor, and Pigeon - meet the grandmotherly Mrs. White, owner of the Sweet Tooth, and soon learn about the magical side effects of her candies.

For 12-year-old Emily, the best thing about moving to San Francisco is that it's the home city of her literary idol: Garrison Griswold, book publisher and creator of the online sensation Book Scavenger (a game where books are hidden in cities all over the country and clues to find them are revealed through puzzles). Upon her arrival, however, Emily learns that Griswold has been attacked and is now in a coma, and no one knows anything about the epic new game he had been poised to launch.

In the first volume of a new series for younger listeners, Nancy gets to show off her sleuthing abilities while at her friend Deirdre's sleepover. Everyone's excited for pizza, cake and even a movie. But when Deirdre's Hollywood Heather doll goes missing, the fun stops, and,Nancy springs into action.

It was a bitterly cold day when Arthur T. Owens grabbed a brick and hurled it at the trash picker. Arthur had his reasons, and the brick hit the Junk Man in the arm, not the head. But none of that matters to the judge - he is ready to send Arthur to juvie for the foreseeable future. Amazingly, it's the Junk Man himself who offers an alternative: 120 hours of community service...working for him.

The day Louisiana teenager Rory Deveaux arrives in London marks a memorable occasion. For Rory, it’s the start of a new life at a London boarding school. But for many, this will be remembered as the day a series of brutal murders broke out across the city - gruesome crimes mimicking the horrific work of Jack the Ripper in the autumn of 1888. Soon “Rippermania” takes hold of modern-day London, and the police are left with few leads and no witnesses. Except one. Rory spotted the man police believe to be the prime suspect.

This first novel from Nebula Award-winning short story writer Ellen Klages was picked as a Junior Library Guild selection and named a Book Sense Number-One Children's Pick. It follows a young girl named Dewey, whose father is part of a super-secret project in 1943 Los Alamos. Dewey, a gifted scientist herself, slowly realizes the implications of "the gadget" her father is working on. She and Suze, another Los Alamos child, find comfort in each other's friendship.

Two sisters from the Philippines, abandoned by their father and living with their stepmother in Louisiana, fight to make their lives better in this remarkable story for listeners of Cynthia Kadohata and Rita Williams-Garcia, and for anyone searching for the true meaning of family.

A beautiful, ambitious angel stands on a mountaintop, surveying the world and its little inhabitants below. He smiles because soon, the last of humanity who survived the great flood will meet its end, too. And he should know. He's going to play a big part in it. Our angel usually doesn't get to do fieldwork, and if he does well, he's certain he'll get a big promotion.

Elizabeth has just started working as a page at the New York Circulating Material Repository - a lending library of objects, contemporary and historical, common and obscure. And secret, too - for in the repository's basement lies the Grimm Collection, a room of magical items straight from the Grimm Brother's fairy tales. But the magic mirrors and seven-league boots and other items are starting to disappear.