検索キーワード： ミステリー

Only Joey Pignattano would agree to eat a worm in exchange for a dollar. Problem is, he doesn't trust Bobby Solofsky to hold up his end of the deal. So he's hired Jigsaw Jones and Mila Yeh to make sure Bobby keeps his word. But when the worm goes missing and the primary suspect is a mummy - on Halloween of all days! - Jigsaw Jones is the only one who can solve the case!

Got a mystery to solve? Jigsaw Jones is on the case. Eddie Becker has the idea of a lifetime and creates plans for what he promises is going to be a million-dollar invention. Then the plans get stolen. Worst of all, after Jigsaw does some digging, he suspects the principal may be the thief! Now Jigsaw has to invent a gadget of his own to find out the truth.

Why would anyone steal an old hunk of junk? Ralphie Jordan loves his beat-up bike, Old Rusty. The tires are bent, spokes are missing, and the chain keeps falling off. But Ralphie wouldn't trade it for any other. Then Old Rusty goes missing just outside the library, and Ralphie is devastated. It's up to Jigsaw and Mila to find out who stole it - and the thief may be closer than anyone would have guessed! 

When the Crown Jewels go missing from inside a locked room, Mac's spy skills are put to the test. How did the thief break in? Where did the jewels go? And will Mac be able to solve this locked-room mystery before the thief escapes? This mystery isn't just a whodunit...it's a howdunit! The action in this adventure is nonstop as Mac travels to an ancient Irish castle to solve the mystery. There, he encounters everything from killer king cobras to bizarre ice sculptures...and even a revenge plot dating back hundreds of years! Will you be able to solve the mystery before Mac does?

The precious Crown Jewels have been stolen, and there's only one person who can help the Queen: her newest secret agent, Mac B. To help her, he must travel around the globe in search of the stolen treasure...but will he find it in time? From secret identities to Karate hijinks, this fast-paced, witty, and historically inspired chapter book will keep listeners guessing. With fascinating historical facts masterfully sprinkled throughout, the first entry in this series offers adventure, intrigue, absurdity, and humor.

Eleven-year-old math prodigy Ada Lovelace, daughter of the famous and infamous poet Lord Byron, is a genius. Isolated, awkward and socially inept - but a genius. Mary Godwin, age 14, daughter of radical philosopher William Godwin and feminist writer Mary Wollstonecraft, is a romantic. It has been arranged for Mary and Ada to be tutored by the young man who calls himself Percy B. Snagsby, a nervous fellow who may or may not be a spy.

In the sixth book in the number-one best-selling Alex Rider series by Anthony Horowitz, teenage spy Alex has a chance encounter with the son of multi-billionaire Nikolei Drevin. Soon Alex finds himself in the middle of an international crime hunt. The connection - Ark Angel, a revolutionary space hotel with catastrophic potential.

In solving the mystery of the Last Chance Hotel, Seth has discovered a bewildering new world of magic. Swept up in the new MagiCon case investigating ghostly goings-on at the remote Snakesmouth Lighthouse, he is determined to prove himself. But when eccentric owner Mina Mintencress is murdered, Seth realizes danger lurks around every corner. With the help of his cat, Nightshade, Seth must put his newfound magic to the test. Can they unmask a sinister sorcerer...before it's too late?

September, 1939. When Jimmy is evacuated to a small village in Wales, it couldn’t be more different from London. Green, quiet and full of strangers, he instantly feels out of place. But then he finds a skull hidden in a tree, and suddenly the valley is more frightening than the war. Who can Jimmy trust? His brother is too little; his best friend has changed. Finding an ally in someone he never expects, they set out together to uncover the secrets that lie with the skull. What they discover will change Jimmy - and the village - forever.

Djuna and Ben weren't sure they believed in ghosts. The little girl who opened the door of the haunted house didn't look like a ghost, yet she vanished into thin air. They had to find out what happened to her. And they had to rescue Waterbury, the time-telling turtle who walked into the deserted house - and didn't walk out. Djuna found clues, and he added them all up to solve a case the secret service couldn't crack!

When Nick and Tesla Holt are sent to live with their eccentric Uncle Newt, they find their new neighborhood is full of secrets. What the heck is going on? To unravel the mysteries (and save their skins), Nick and Tesla must use everyday household objects to build electromagnets, rocket launchers, and other crazy contraptions.

Tony has saved $300, enough to buy a small sailboat. He will use it every day during his three-week stay with his grandmother on the Connecticut shore. Once Tony learns to sail, he starts exploring the waters around a group of tiny islands offshore. One day, he sees two people in diving gear on a motorboat. But instead of greeting him, they wave him away. The next time he sees them, he discovers that they will do anything to hide what they have found. He is chased, and his boat is stolen. Now, lost and alone, with night falling fast, Tony wonders if he will ever get back to his grandmother’s - and safety - again.

Cam and her friend Eric are selling chocolate fudge and rice cakes door-to-door for charity. Eric can’t remember what to tell the customers. But Cam has no trouble. She simply looks at the speech and says "click". Then she stores a picture of it in her mind. When Cam sees a woman coming from a yellow house, she knows something is wrong. The woman is wearing a rain coat, but it isn’t raining. She’s wearing dark glasses, but the sun isn’t shining. And the yellow house looks deserted. Will Cam be able to solve the mystery with her amazing photographic memory?

Cam Jansen and her best friend, Eric Shelton, are at a charity function with their mothers to raise money for local firefighters. When the host's pearl necklace goes missing, the luncheon turns into a whodunit, and all the guests are suspects. Can Cam use her photographic memory to identify the culprit?

The New York Times best-selling author of the Sisters Grimm series, Michael Buckley has also written and developed shows for Cartoon Network, Nickelodeon and Discovery Channel. Supervillain Gerdie Baker, assisted by criminal mastermind Simon, has created a device that opens portals to other worlds, which she and other cheerleaders have been pillaging. But the alternate realities are starting to get awfully close together, so it’s up to Matilda “Wheezer” Choi and the NERDS to stop the cheerleaders before the worlds collide.

Solve the mystery with the Secret Seven - everyone's favourite detective club! These timeless stories are perfect for young fans of mystery, adventure or detective series. In book eight, Peter and Jack go looking for their lost model aeroplane in an old abandoned house and find a lit fire in one...

While Freddy the pig relaxes in his best cowboy outfit and sings a song, he decides that he needs a vacation. He will ride his pony, Cy, out West. He'll see some wide-open spaces and maybe find some excitement. But before Freddy can leave, the excitement finds him first. Uncle Ben races up to the farm and asks Freddy for help. A pack of sneaky spies is trying to steal Uncle Ben's plans for building a flying saucer.

Mabel lives with her parents in The Mermaid Hotel, by the sea. Mabel likes to keep an eye on the comings and goings of all the guests. Then one day a particularly in-ter-est-ing old lady comes to stay. There is something very suspicious about her, with her growly voice and her heavy trunks and her beady-eyed tortoise. And why does no one know her real name? There can be only one answer, Mabel decides...this guest is a supervillain.

#1 NEW YORK TIMES BESTSELLING SERIES When there’s a friend in need, it’s time to call Theodore Boone—“a terrific character, an everyman kind of kid” (USA Today)! “Edge-of-your-seat drama, sophisticated plotting, and plenty of spunk.”—Chicago Sun-Times Theo has been worried...

No mystery is too great for super-sleuth Cam Jansen and her amazing photographic memory! Mysteries follow super-sleuth Cam Jansen everywhere she goes...even to a book signing. Cam is waiting in line for a book "pawtograph" from famous TV dog Poochie when he mysteriously disappears and is...