検索キーワード： ミステリー・サスペンス

Florian is 12 years old and has just moved to Washington. He's learning his way around using TOAST, which stands for the Theory of All Small Things. It's a technique he invented to solve life's little mysteries. But when he teaches it to his new friend Margaret, they uncover a mystery that isn't little. In fact, it's huge, and it involves the National Gallery, the FBI, and a notorious crime syndicate known as EEL. Can Florian decipher the clues and finish his homework in time to help the FBI solve the case?

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 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?

There’s a killer on the loose on the Titanic  -  and the only people who know are four kids. Within both the luxury of the cabins and the dark underbelly of the engine rooms, Paddy, Sophie, Juliana, and Alfie have found themselves tangled in a maze of mysteries, each one deadlier than the next.

Jack's little sister, Susie, is so annoying! The Secret Seven are furious when they discover she's formed her own 'detective gang'! Then some money is stolen, and Susie is a chief suspect.

Kyla's memory has been erased, her personality wiped blank, her memories lost forever. Or so she thought. Kyla shouldn't be able to remember anything. But she can - and she's beginning to realise that there are a lot of dark secrets locked away in her memories. When a mysterious man from her past comes back into her life, she thinks she's on her way to finding the truth. But the more she learns about her history, the more confusing her future becomes....

Queenie the cat has a big problem. And for once, it's not the slobbery, overly-excited creature who also lives at Blackberry Hill Inn. Sweet Lady Emsworth, the neighbor's prize cow, has disappeared, meaning no morning cream for Queenie. And when Queenie's not happy, no one is happy.... Things aren't looking great for Arthur the dog, either. His beloved humans, twins Harmony and Bro, are distressed about the strange activity in their town. Mysterious hi-tech people are suddenly very interested in nearby Catastrophe Falls....

They call themselves SYLO and they are a secret branch of the U.S. Navy. SYLO's commander, Captain Granger, informs Pemberwick residents that the island has been hit by a lethal virus and must be quarantined. Tucker believes there’s more to SYLO’s story. He was on the sidelines when the high school running back dropped dead with no warning. He saw the bizarre midnight explosion over the ocean, and the mysterious singing aircraft that travel like shadows through the night sky. He tasted the Ruby - and experienced the powers it gave him - for himself.

Watchmaker Hermux Tantamoq is a hardworking mouse who is thankful for ordinary things: donuts, coffee, peaceful evenings at home with his pet ladybug. But his quiet life takes a dramatic turn when Ms. Linka Perflinger, dashing daredevil aviatrix and adventuress, bursts into his watch shop, drops off a broken watch and steals his heart.

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.

Meet Winnie, age 11. Winnie knows that "change" isn't all it's cracked up to be, especially when it means her best friend, Amanda, might be dropping her for someone else. Throw in a grumpy teenage sister, a cat who gets trapped in the wall, and a crush who has pinkeye, and Winnie decides that the rest of the world can do what it wants, but she's going to remain exactly the same. But every month brings hilarious adventures and crazy ups and downs. A lot can change in a year, maybe even Winnie.

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 replaced with an imposter! Can Cam find the real Poochie?

Collins brings the Queen of Crime, Agatha Christie, to English language learners. Agatha Christie is the most widely published author of all time in any language. Now Collins has adapted her famous detective novels for English language learners. These carefully abridged versions are shorter, with the language targeted at learners of English.

John Grisham delivers high-intensity legal drama for a new generation of listeners in the sixth novel in his best-selling Theodore Boone series. 'I'm the lawyer, and you're the client. My advice to you is to bury this and not tell a soul. Never. Got it?' Theodore Boone, courtroom hero and the only kid lawyer in town, is facing a tough week at school with his exams. But things take a turn for the worse when a huge scandal is revealed - by none other than his best friend, April.

Unwrapping a puzzling package and finding a clue launches twelve-year-old cousins Sophie and Jessica into the dangers of The Treasure Key. They're soon racing against time—and bad guys— to find long-lost treasure. Will they be the first to discover its hiding place?

桃花ちゃんはある日、亡くなったママと一緒にいた時の夢を見ました。ママとした約束を思いだした桃花ちゃんは、パパに「犬がほしい」と言ってみるのですが、「もうすぐ弟妹が生まれるから」と断られてしまいます。そう、桃花ちゃんには新しいママがいて、もうすぐ弟妹が生まれるのです。どうしても犬がほしい桃花ちゃんでしたが、ある日公園で遊んでいるときに、大きくて真っ白な毛並みの犬が現れて……！

On Max's birthday, he finds a kind of magic mirror in the attic. It can make him invisible. So Max and his friends start playing "now you see me, now you don't." Until Max realizes that he's losing control. Staying invisible a little too long. Having a harder and harder time coming back. Getting invisible is turning into a very dangerous game. The next time Max gets invisible, will it be...forever?

“The Tower Treasure,” the first book in the Hardy Boys series written by Franklin W. Dixon, introduces readers to the young sleuths Frank and Joe Hardy. The story is set in the fictional town of Bayport, where the brothers, sons of the famous detective Fenton Hardy, inherit their father’s knack for solving mysteries.

While attempting to solve the mystery of a stolen jewel, Seikei, a merchant's son who longs to be a samurai, joins a group of kabuki actors in 18th-century Japan.