Showing titles in Mystery & Suspense

The InvestiGators Audio Collection: Books 1 & 2 includes InvestiGators and InvestiGators: Take the Plunge.

Steve and his friends are back at the wheat farm, trying to find a way to secure their crops from hostile mobs, when their old friend, Georgia, comes to them for help. Georgia's village is in the middle of a serious skeleton attack. The skeletons appear at dawn, and nobody can go to bed without risking death. Steve and the gang agree to help, but the journey to Georgia's village isn't easy, especially with a new batch of rainbow griefers on their trail.

Sometimes I take an opportunity to say good-bye to the cattle and wish them a safe journey. "Well, good-bye, you morons. It was nice having you here at the ranch, but it'll be even nicer having you gone. You ate all our grass and taking care of you was a pain in the neck. Good-bye, good riddance, and don't ever come back."

Henry, Jessie, Violet, and Benny are going to visit a castle! Built long ago, the castle is now being turned into a museum. As the Boxcar Children help to restore it, they see mysterious lights and hear strange music. Faces appear in windows - and then disappear. Can the children solve the mystery hidden within the castle’s walls?

The Boxcar Children are going to college! That is, they are going to Mountvale College to help Grandfather at a convention of young astronomers. The Aldens learn many interesting things, and get to look at the stars and planets through a telescope at the observatory. But then some valuable information disappears - along with one of the students at the convention. What's going on? It's another mystery for the Boxcar Children!

Can visiting a gravesite bring bad luck? The Boxcar Children explore the local cemetery's secrets to discover the truth behind an old legend!

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? 

Eleven-year-old Riley believes in the whispers, magical fairies that will grant you wishes if you leave them tributes. Riley has a lot of wishes. He wishes bullies at school would stop picking on him. He wishes Dylan, his eighth-grade crush, liked him, and Riley wishes he would stop wetting the bed. But most of all, Riley wishes for his mom to come back home. She disappeared a few months ago, and Riley is determined to crack the case.

A young girl is arguing with a cherry tree. That's a new one for Lily, who's managed to reach the end of her first year at high school without too much weirdness. Unfortunately for her, it's not long after solving this odd mystery that her untroubled life begins to unravel. Discovering an abandoned room at the end of the music department corridor, she finds that aside from it being utterly run-down, it's also devoid of its sole occupant: Sonata Sonoda, the missing journalism club president.

In the 10th book of the Calendar Mysteries - an early listener book mystery series - there's a haunted house in Green Lawn! It's Halloween, and the Shangri-la Hotel has been transformed into a haunted house, complete with an ogre out front. Bradley, Brian, Nate, and Lucy are ready for some scary fun, but then they notice that none of the kids who have gone in the hotel have come back out. What's happening to them? Ghosts and witches and ogres aren't real...right?

For 500 years, the Cahills have been the most powerful family in the world. For 500 years, they've protected the source of their power - the 39 Clues. And for 500 years, they've kept their secrets silent. Until now. This extraordinary stand-alone novel cracks open the Cahill vault to tell the story of the most coveted piece of artwork in the world, a masterpiece that has been the target of seven separate theft attempts: Jan van Eyck’s altarpiece at Ghent.

One of the Hardys’ favorite writers, Nathan Foxwood, has recently died in a tragic car accident. Now, the press is swarming his house in Bayport to get the scoop on the novel he completed just before his untimely death. When Joe hears that Nathan’s wife is having a giant estate sale, he drags Frank with him. Who could pass up the opportunity to see inside their favorite author’s home? Nathan’s wife says she wants to get away as quickly as possible. She’s sure the house is haunted. But Nathan’s assistant, Adam, is not so willing to blame it all on the supernatural.

Tom Angleberger scored two critical and popular hits with his Star Wars–inspired The Strange Case of Origami Yoda and Darth Paper Strikes Back. In the hilarious Fake Mustache, young Lenny Flem Jr.’s friend Casper disguises himself with a shockingly convincing handlebar mustache and begins robbing banks, quickly amassing a fortune. Setting his sights on the presidency, Casper is working on plans for world domination—and only Lenny stands in his way.

Three stories in one collection! This volume includes The Amusement Park Mystery, The Mystery of the Mixed-Up Zoo, and The Camp-Out Mystery. In The Mystery of the Mixed-Up Zoo, the zoo is wonderful - it has seals and giraffes and elephants and tigers, and Benny’s favorite, a little monkey named Amos. It also has a mystery. Someone is mixing up signs, switching off electricity, and endangering the animals’ lives. If the Boxcar Children want to save the animals, they’ll have to solve the mystery - and fast!

A mysterious note from Merlin sends Jack and Annie to Paris, France, for the 1889 World's Fair. Their mission: find four "new magicians" and protect them from an evil sorcerer who plans to kidnap them and steal the secrets of their magic. When Jack and Annie arrive at the foot of the Eiffel Tower, they find exhibits from all over the world and thousands of people attending the fair!

Vega Jane was always told no one could leave the town of Wormwood. She was told there was nothing outside but the Quag, a wilderness filled with danger and death. And she believed it - until the night she stumbled across a secret that proved that everything she knew was a lie. Now, just one thing stands between Vega Jane and freedom - the Quag. In order to leave Wormwood and discover the truth about her world, Vega and her best friend, Delph, must find a way to make it across a terrifying land of bloodthirsty creatures and sinister magic.

Henry, Jessie, Violet, and Benny chart a course for China to return the Reddimus Society's fourth artifact! Along the way they meet old friends and make new ones, but a thief threatens to ruin their trip. Then, after an unexpected stop in Thailand, they meet a suspicious man claiming to work for the Reddimus Society. The Aldens wonder if someone close to them is working for the other side. Who can the Boxcar Children trust to help them?

After an escaped kangaroo starts a fire that burns down his house, Teddy Fitzroy accepts an invitation to go to Malibu with his girlfriend, Summer, and her mother, Kandace. He’s hoping to spend some time relaxing on the beach, but wherever Teddy goes, trouble isn’t far behind. First, a massive dead whale has washed up on the beach—and before anyone can determine what killed it, it explodes. Doc, the head vet from FunJungle, suspects something fishy is going on and ropes Teddy and Summer into helping him investigate.

Covered by vines and hidden by trees, the old gatehouse on the edge of the woods has been abandoned for years. But when Trixie and her pal Honey explore it, they discover more than just dust and spiderwebs inside. The two girls find a huge diamond stuck in the dirt floor! Could a ring of jewel thieves be hiding out in Sleepyside?

Someone has been raiding Sally May's garbage barrels! Hank knows the crime is the work of a notorious gang of raccoons, but in a tragic case of mistaken identity, the Head of Ranch Security is himself forced to take the heat. More trouble lies ahead. Rip and Snort, the good-for-nothing coyote brothers, are planning to pull an even bigger job.