Children Chapter Mystery

Someone's been stealing from the lost and found. But the strangest part of this mystery is what they've been stealing. Not mittens, or books, or water bottles - only hats! Just when Jigsaw comes up with a plan to catch this hat burglar in the act, the mystery thief strikes again right under his nose! Will this be the first case Jigsaw and Mila can't solve?

A lovable dog helps his human girl solve a mystery. Kayla made peanut butter treats for Jillian's new puppy, Thor. But now the treats are missing. What does Kayla know? There are three treats missing. King was in the kitchen. King's breath doesn't smell like peanut butter. What does King know? There's an intruder in the house. How will they solve the mystery?

When Ethan and Ella first land in Venice, they are in awe of all the canals and tiny little streets. They’re especially excited to look for a 500-year-old-mosaic near Calle Farnese that Grandpa Harry tells them about. While the twins are out getting gelato later that day, they notice someone looking around suspiciously as he unties a gondola from a dock.

When Ethan and Ella learn that their mother has accepted the position of travel writer for The Brookeston Times, they are not happy. Move away from Brookeston? Say good-bye to all their friends? Their mom and dad promise them that this will be a great experience, but that doesn’t make the kids feel any better. The day before they are set to leave, their beloved Grandpa Harry gives Ethan a gold coin that Ethan decides he will always keep in his pocket. But the morning of their departure, Ethan realizes he's lost the coin!

The Empty Envelope E is for Envelope...Dink keeps getting envelopes in the mail addressed to "D. Duncan." But the letters inside all start with "Dear Doris" and don't make any sense! Josh and Ruth Rose think someone's playing a trick on Dink. But Dink is sure there's more to it than that...

Help Dink, Josh, and Ruth Rose solve mysteries from A to Z! Kids love collecting the entire alphabet and super editions! With over 8 million copies in print, the A to Z Mysteries have been hooking chapter book readers on mysteries and reading for years. Now this classic kid favorite is back...

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?

A Civil War sword... A watermelon stabbing... Missing roller skates... A trapeze artist's inheritance... And an eyewitness who's legally blind! Theses are just some of the ten brain-twisting mysteries that Encyclopedia Brown must solve by using his famous computerlike brain. Try to crack the...

Help Dink, Josh, and Ruth Rose solve mysteries from A to Z! Kids love collecting the entire alphabet and super editions! With over 8 million copies in print, the A to Z Mysteries have been hooking chapter book readers on mysteries and reading for years. Now this classic kid favorite is back...

A field trip to the local art museum with Mittens's rambunctious nieces takes an unexpected turn when a priceless Monet painting is stolen! With their reputations on the line, the museum leadership desperately turns to Mittens and Alex for help. Will the detectives see past the deception around them to discern friend from foe? Could this be another crime organized by the mysterious Ruffled Feathers? Most importantly, can the museum survive the antics of the crazy Kastle kittens?

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.

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.

For young detective Aggie Morton and her friend Hector, a spa stay becomes a lot more thrilling when TWO dead bodies are found in this third book in the Aggie Morton, Mystery Queen series, inspired by the life of Agatha Christie as a child and her most popular creation, Hercule Poirot. For fans...

From the New York Times bestselling author of Escape From Mr. Lemoncello's Library and coauthor of I Funny and Treasure Hunters, comes a series of spine-tingling mysteries to keep you up long after the lights go out. ZACK, HIS DAD, and new stepmother have just moved back to his father’s...

The stakes are high - both for the past and the future. The finale of The Return series leaves the Kingdom Keepers with unimaginable choices to make.

Jack is an ordinary kid who becomes a secret agent by night, thwarting evil all over the world as he searches for his missing brother, Max. Destination: United States. An eager young scientist has brought to life a dangerous flesh-eating dinosaur by crossing its DNA with that of his pet dog, Freddie. Can Secret Agent Jack Stalwart capture the dinosaur before it destroys New York City?

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!

Sometimes a mouse just has to bust out and do something big. That's why Marvin (also known as "Merciless Marvin the Magnificent") decides it's time to lead Raymond the Rat and Fats the Fuse out of their cozy lair at the back of the movie theater and on to greater glory. Enough of stale popcorn and left over candy! It's time to go in search of...cheese!

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.

Fans of the Penderwicks and the Vanderbeekers, meet the Finkel family in this middle grade novel about two autistic sisters, their detective agency, and life's most consequential mysteries. When twelve-year-old Lara Finkel starts her very own detective agency, FIASCCO (Finkel Investigation...