Children Chapter Mystery

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.

To earn his Ghosthunting Diploma, Tom's got to nab a deadly 12th Messenger. But while on the hunt in the haunted town of Bogpool, Tom stumbles into the mucked-up lair of a mud-loving minotaur who has an entire army of ghosts at his command. Suddenly there's a lot more at stake than Tom's graduation. This raging beast is dead-set on doomsday. And that's no bull!

Boy hero Tom, Hugo the Averagely Spooky Ghost, and famed ghoul hunter Hetty Hyssop have formed an agency dedicated to dealing with difficult apparitions. No spook can defeat them, until their too close encounter with a Gruesome Invincible Lightning Ghost (or "GILIG" in ghosthunter-speak).

Dink, Josh, and Ruth Rose get an urgent call from Mrs. Davis. Her canary is missing! The little bird has vanished without a trace, and he's not the only one. Two other pets are missing. The kids suspect a pet-napper, and now that Ruth Rose's cat, Tiger, has turned up missing too, it's become personal!

Valentine’s Day was so much more fun when they were little. Then they each start getting messages and clues from a secret admirer! Can the kids figure out who wants to be their Valentine?

Rebekah can't believe that it's the last days of camp. She and the rest of the campers are in full on preparation mode to create a great program for their parents when they come to take them home. But Rebekah has one last mystery to solve before she leaves. The strange singing she's heard in the woods has been haunting her, and she's determined to find out who or what it is. But when the camp art director goes missing, Rebekah's detective efforts are put to the test. If the camp final program is to go on, the kids must find Ms. Donna and solve this last mystery.

Dink, Josh, and Ruth Rose are having an excellent time at the Penelope Gwinn concert. But during intermission, Dink injures his arm! At the same time, the singer's diamond necklace is stolen. Could the two mishaps somehow be connected?

When Dink, Josh, and Ruth Rose follow a pale, dark-haired stranger into Ellie's Diner, he vanishes! But Ellie has a cut on her neck...or could it be a bite? Could there really be a vampire in Green Lawn? And could Dink, Josh, and Ruth Rose be his next victims?

Dink, Josh, and Ruth Rose love visiting their friend Sammi, the prince of Costra. They swim, soak in the sun, and admire the bright yellow yacht that is moored just offshore. But the owners of the yacht are acting a little suspicious. And there’s suddenly been a robbery on the island. Can Dink, Josh, and Ruth Rose find out a connection between the robbery and the mysterious yellow yacht?

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.

Rebekah's first love is always solving a good mystery, but if she had to pick a second best pastime, it just might be soccer. And she's put in a lot of effort practicing her skills over the summer. It's time for the first practice,and she's ready to make her mark...that is, until she notices something very strange in the sky above her. Then again, it wouldn't be a regular day if there wasn't some sort of mystery to solve. She's on it! If you like funny mysteries, spunky and confident young characters, and stories with heart, you'll love the Rebekah - Girl Detective series!

Doggeroo has been running its famous Annual Dog Show for 150 years, and this year Jack's landlord, Sarge, is one of the stewards.

Suzy Kline continues the adventures of Horrible Harry - a delightful series for young readers. Now that Harry’s friends in Room 3B have learned to love mysteries almost as much as he, Harry challenges them to discover where he’s hidden his suitcase. As the children take turns figuring out what the clues mean, they trek to various locations outside of the classroom. But will things go wrong before they reach their prize?

No mystery is too great for super-sleuth Cam Jansen and her amazing photographic memory! Can Cam help catch the diamond thief? Cam and her friend Eric are sitting at the mall when the jewelry store is robbed. Cam sees the thief, but the police arrest the wrong person. Now it's up to Cam to catch the real criminal!

Beware of avalanches! When the magic tree house whisks Jack and Annie back in time to the highest pass in the Swiss Alps, they discover an ancient monastery filled with monks and Saint Bernard dogs. Annie can’t resist offering to train a wild young dog named Barry, but he is quite the handful! Before the night is over, Jack and Annie will be forced to use some crazy magic!

Summer camp is in full swing and Rebekah is on the lookout daily for a mystery that needs solving. Currently, she's obsessed with staking out the lake and the rumored monster that may live there. When she spots a lone canoe with something strange within it, her thoughts grow wild with ideas about what this could mean and how it is that the canoe keeps disappearing.

K is for Kidnapped! Someone has kidnapped the king and queen of Socotra. For safety's sake, their son is staying with Dink until they are safe. But then the prince is kidnapped, too! Can Dink, Josh, and Ruth Rose unmask the royals' enemies before it's too late? Or is the royal family of Socotra gone forever?

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.

Dink, Josh, and Ruth Rose are visiting the Grand Canyon when they spot Parker Stone - a famous TV star. They can't wait to get his autograph, but before they can, Parker is kidnapped! Only a few clues - and his pet parrot - are left behind. It's up to Dink, Josh, and Ruth Rose to find Parker - before it's too late!

Arthur's friend Buster is searching for a crime to solve. So when the quarters Arthur has collected for Mrs. MacGrady's charity drive mysteriously disappear, Buster is committed to cracking the case. Will Buster be able to prove Arthur's innocence so that he can attend the class picnic?