Children Chapter Mystery

High school sleuths P.C. Hawke and Mackenzie Riggs quickly regret their decision to take a difficult calculus class from a tough instructor at Columbia University. But even though she's mean, Professor Dunaway certainly seems an unlikely candidate for murder. Though there are plenty of suspects, a lot of things about this case just don't add up.

Pulitzer Prize winner Paul Zindel delights even the most reluctant listeners with his thrilling P.C. Hawke Mysteries. Everyone is upset when P.C.'s junior class trip ends with classmate Timmy Warner plunging to his death over a 300-foot waterfall. So when Timmy's mom exhibits some strange behavior at the funeral, P.C. and his friend Mackenzie just have to investigate. What they don't expect is that the trail of clues will lead them to Los Angeles-and to a surfer who's a dead ringer for their dead classmate!

The Earth Day Fair is days away, but Nate's classroom project - a robot named Mr. Butler - has disappeared. Nate the Great and his dog, Sludge, take on the unusual case, and they are soon searching high and low in and around the school. Will Nate find the robot in time for the fair?

Junie B. is the bestest spyer in the whole world. That's 'cause she has sneaky feet. And her nose doesn't whistle when she breathes. But guess what? Junie B. might be real sneaky. And real peeky. But when she spies on Mrs., she could get into real trouble!

The Bailey School soccer team hasn't had a lot of success, but their new coach seems like the woman to help whip them into shape. Coach Graves is a little rough around the edges, but she's good at what she does. That is until a strange old lady turns up at one of their practices. After that, Coach Graves has a vacant look in her eyes, mumbles and groans in response to the kids, and moves like she's back from the dead.

Eddie's great aunt Mathilda is sick and he has to help take care of her. But when Eddie and his friends visit Mathilda's house, strange things start to happen. Howie sees someone staring at him from the attic window and, when his back is turned, his garlic potato chips are used to spell the word attic on the ground. During later visits, the kids hear noises from the attic, but Great Aunt Mathilda swears there's nothing up there.

They’re explosive and invisible. They’re extinct and never-ending. What are they? Science mysteries, of course! Get ready to crack the cases and the real science info wide open. You might need your goggles for this one.

In Robo-Dodo Rumble, Koko Dodo's cookie shop is facing some stiff competition from an evil robotic dodo (a Robo Dodo). The Robo Dodo is selling its cookies for only a penny! Why? To put Koko's shop out of business! And if that weren't bad enough, a giant sea monster starts destroying the town! But don't worry. Didi Dodo has a daring plan.

Popular children's author Patrick Carman has captured the imaginations of children everywhere with his Elliot's Park series. In Haunted Hike, playful squirrels Elliot, Chip, Twitch, and all their furry friends are dressed in Halloween costumes and ready for a squirrel hike in Camp Canyon. But the adventure takes a scary turn when the squirrels see a ghost along the way! So the curious bunch sets out to find out whether the ghost is real or just a hoax.

They’re furry and funny. They’re tracked and tricky. What are they? Animal mysteries, of course! Get ready to crack the cases and the real animal info wide open. You might need your camouflage for this one.

Ruby Redfort’s not your average kid. She’s super-smart, always ice-cool, not to mention a gadget-laden secret agent with a talent for breaking codes. And she can keep her mouth shut…can’t she? Ruby and her butler, Hitch, work for an undercover crime-busting organization, where break-ins, daring rescues, and life-or-death situations are all in a day’s work. But always remember Rule #1: You can never be completely sure what might happen next.

The new swimming instructor at Camp Lone Wolf, Nessie McFarland, is anything but normal. And when she's in her scuba gear, Nessie's skinny black body, long neck, and little head remind the kids of the great legend of Lock Ness. But Nessie can't really be a monster, could she?

The whole town has turned out to watch the Green Lawn women challenge the men and to see Mr. Pocket's prized baseball collection. But sometime during the game, the balls are stolen! The police suspect the umpire of foul play. Can Dink, Josh, and Ruth Rose prove he's innocent, or is it strike three for the Green Lawn ump?

Where could those wolves be? When the kids visit the Maine wilderness, they spot a white mother wolf and her babies on a cliff. But soon after that, the pups are stolen! Can Dink, Josh, and Ruth Rose sniff out the culprits?

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!)

Hold on to your umbrella and stock up on marshmallows - Judy and Stink face wicked weather in their third adventure. Judy and Stink and the whole Moody family hunker down with beans and batteries, ready to wait out the storm. But along with massive rain and strong winds, Hurricane Elmer throws down ghosts, squirrels, and aliens. Spooky! Just when things couldn’t possibly get any freakier - flicker, flicker, gulp! - the lights go O-U-T out.

Someone, or something, is draining all of Henry's books of their ink. A trail of clues leads the young boy to a tomb... and an ancient vampire!

The Nancy Drew and the Clue Crew series stars three best friends determined to solve mysteries in their small hometown. This time Nancy and her best friends George and Bess are ready to perform a ballet version of Cinderella. They've been practicing their dance moves for months. But when Cinderella's glass slippers disappear, preparations for the show come to a halt. Now Nancy and friends must find the missing footwear before the curtain can go up.

Some sneaky soul has stolen the skeleton from the nurse’s office! The principal promises free aquarium tickets to the savvy sleuths who can track down poor Mr. Bones. It’s up to Dink, Josh, and Ruth Rose to follow the clues and put those old bones to rest.

Ellie “Scaredy Bat” Spark is a tween vampire that loves solving mysteries, but is afraid of...everything. She's afraid of spiders, clowns, and deep water, to name a few. And her pesky sister Penny never lets her forget it. But with a little courage and help from her friends, Ellie just might achieve her dream of becoming a real detective.