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After volunteering to wrap presents for charity, Mike and Kate get a special thank-you: a sleepover at the Baseball Hall of Fame! But when they’re sneaking around the museum late at night, their flashlight reveals that one of the famous baseball cards on display is a fake! Can they find the real card, catch the crook, and get the presents to the charity’s Christmas party on time? It’s up to Mike and Kate to turn this Christmas mess into a Christmas miracle!

One day, the Hollister children saw their grandparents on television. The show was featuring dog sled races during a yearly Canadian Trappers’ Carnival. Since the elder Mr. and Mrs. Hollister run a winter resort called Snowflake Camp in Canada, the children thought it would be a wonderful idea to ask their grandparents if they could visit them over the Thanksgiving vacation when the next Carnival would be starting. No one had any idea, while waiting for the invitation to arrive, that Snowflake Camp would turn out to be the trail’s end of a mystery that started in Shoreham.

The Boxcar Children are going on vacation to Dragon's Mouth Cavern. The four Aldens like rock hunting in the area, until Benny finds a sinkhole that leads to the underground caves. While exploring the caves, they realize that someone doesn't want them there. But why?

When Hank the Cowdog sticks his nose where it doesn't belong - into an old pipe behind the machine shed - he gets more than he bargained for. Before he can say "boy howdy", Hank gets a nip that sets his eyes a-watering and his snouta-throbbing.

Ada Lace is building a new robot! She's determined to beat Milton in the upcoming robotics competition. But she's distracted - Ada finds her dad's art class impossible while Nina is the star of the class, basking in the glory of being Mr. Lace's star pupil. When Mr. Lace suggests that Nina put on an art show, Ada becomes jealous and loses her temper. Now Ada isn't speaking to her dad, she's falling behind in art class, and she still doesn't know how to fix her robot.

Julian, Dick, Anne, George and Timmy the dog find excitement and adventure wherever they go in Enid Blyton's most popular series. In book 13, the Famous Five find out about something dangerous out in Mystery Moor. They'll have to risk the treacherous mists and follow the trail if they want to find what's lurking in the shadows. Do they know what they've let themselves in for?

Though he's only 13, Theodore Boone has spent more time in the courtroom than almost anywhere else, and there's always a new adventure waiting. After being falsely accused of vandalism and theft, Theo is happy to finally be out of the hot seat, once more dispensing legal advice to friends and community members, when an exciting new case demands his urgent attention.

Pirate fever sweeps through the town after an opportunistic treasure hunter shows up looking to lay claim to Blackbeard's lost gold buried somewhere in Tupelo Landing. When the (probably) world-famous Desperado Detectives - Mo and Dale and Harm - are hired by Mayor Little's mother to find the pirate loot for her, and the high-stakes race for riches is on! But that's not the only treasure hunt in town. Mo LoBeau unearths shocking new clues that may lead to her long-lost Upstream Mother - in the riskiest, scariest, and possibly richest case of her life.

The globe-trotting thief in the red fedora returns! And now, the question isn't where—but who? In the role of Carmen Sandiego, award-winning performer Kyla Garcia reveals, for the very first time, the backstory of the ever-elusive master criminal whose whereabouts captured the imaginations of children everywhere—through educational video games, animated series, and a popular PBS "gameshow" for middle schoolers in the 1990s.

When Wahoo Cray’s dad - a professional animal wrangler - takes a job with a reality TV show called Expedition Survival!, Wahoo figures he'll have to do a bit of wrangling himself to keep his father from killing Derek Badger, the show's inept and egotistical star. But the job keeps getting more complicated: Derek Badger insists on using wild animals for his stunts; and Wahoo's acquired a shadow named Tuna - a girl who's sporting a shiner courtesy of her father and needs a place to hide out.

Someone has been stealing calves from Uncle Johnny's pasture, and it's up to Hank and Slim to put a stop to it. In the hopes of catching the "crinimals" in the act, they set up camp in the field just north of the canyon. But the stakeout isn't all fun and games.

When Sammy's mother dumped her with Grams to go to Hollywood and become a star, Sammy dealt with it. But when she discovers that Lady Lana has changed her name, dyed her hair, and shaved 10 years off her age, Sammy hops a bus to Hollywood and finds her mom in deeper trouble than she expected. One of Lana's biggest competitors is found dead in the room next door. Is Sammy's mother the next victim...or the prime suspect?

Julian, Dick, Anne, George and Timmy the dog find excitement and adventure wherever they go in Enid Blyton's most popular series. In book nine, the Famous Five are really worried - George and her devoted Timmy have disappeared. Not only that, somebody has broken into Kirrin Cottage. Could there be a connection? Will the Five find George and Timmy and bring them home safe?

Secret of the Staircase: Something's lurking beneath the famous staircase at The Jefferson, Richmond's historic downtown hotel. Back in 1895, when the hotel opened, real alligators roamed free in the courtyard fountains. That was ages ago...or was it? When young brothers Sam and Derek arrive at The Jefferson for an elegant wedding weekend with their parents, they love exploring the old hotel. But when the wedding rings go missing and Sam is blamed, the boys and their friends must hunt down the truth no matter where it leads.

Amy and Dan make shocking discoveries about their family's power and their parents' deaths as they track the next clue to a remote corner of the world.

The New York Times best selling cartoonist behind the nationally acclaimed comic strip Pearls Before Swine, Stephan Pastis has won raves for Timmy Failure, the hilarious first book in a new series for young listeners. With the help of a polar bear named Total, Timmy Failure hopes to strike it rich by running the best detective agency around. The only problem is that our supremely confident hero is often more bumbling than brainy.

The adventures of Donald J. Sobol’s amateur detective Encyclopedia Brown have been delighting puzzle and mystery lovers for over four decades - earning a special Edgar Award in the process. Here are 10 more devilishly clever noggin scratchers for young listeners to try and solve. Join Leroy “Encyclopedia” Brown as he keeps the streets of tiny Idaville free from petty crooks, ruffians, and altogether no-goodniks - all for 25 cents a day, plus expenses.

Guilty until proven innocent? Who - or what - has been killing chickens on the ranch? And what is Hank the Cowdog, Head of Ranch Security, going to do about it? Using his top-notch law enforcement skills, Hank launches one of the hardest-hitting investigations of his career. No one is to be trusted, and everyone is a suspect - even Hank!

The Boxcar Children try to find the monster that lives in the mountain lake.

Cam can hardly wait for her school's Green Day assembly. That's when she and her fellow students will learn how many dollars they have harvested in their recycling campaign. But when all their hard-earned money disappears without a trace, Cam determines to use her photographic memory to solve this baffling mystery. Young listeners will also enjoy Cam Jansen and the Secret Service Mystery.