検索キーワード： 制作 "HarperAudio" ミステリー・サスペンス

No matter how dangerous his adventures have been, Art has always been able to count on his best friend, Camille. Now that Camille is meeting her estranged father, Art wants to be there for her—which means going to London.

When Fiona's family moves to a new town to be closer to her older sister's figure skating club—and far from Fiona's close-knit group of friends—nobody seems to notice Fiona's unhappiness. Alone and out of place, Fiona ventures to the town's library, a rambling mansion donated by an heiress. And there she finds a gripping mystery novel about a small town, family secrets, and a tragic disappearance. Lost Lake is a town of restless spirits, and Fiona will learn that both help and danger come from unexpected places—maybe even from the sister she thinks doesn't care about her anymore.

Maddie Robinson has always been overlooked: by her parents (who disappeared), by her friends (who are nonexistent), and even science fair judges (who think she has “so much...potential”). So when a mysterious man called The Recruiter invites her to join a secret society of spies, Maddie is floored. Then she discovers that these super secret super spies are the Illuminati - the world’s most covert organization rumored to control, well, everything. And one more thing: The Illuminati are kids, like Maddie!

New York Times bestselling authors and creators of the mega-popular YouTube series Game Master Network Matt and Rebecca Zamolo return with a brand-new adventure about everyone’s favorite mystery-solving team.

Rebecca Zamolo is on a mission to save her summer. Instead of going to camp like she’d planned, she’s been stuck in summer school. But today is the day! She’s going to present her final science assignment—using her Nana’s borrowed vintage zoetrope—and then she’ll be free to have fun. But as Becca and her classmates wait for her teacher to arrive, a menacing voice comes over the intercom claiming to be the Game Master! They've locked the doors, scared off the teachers, and demanded that Becca and her friends solve the clues that have been left behind.

Harper doesn’t trust her new home from the moment she steps inside, and the rumors are that the Raine family’s new house is haunted. Harper isn’t sure she believes those rumors, until her younger brother, Michael, starts acting strangely. The whole atmosphere gives Harper a sense of déjà vu, but she can’t remember why. She knows that the memories she’s blocking will help make sense of her brother’s behavior and the strange and threatening sensations she feels in this house, but will she be able to put the pieces together in time?

Sophie Young and Grace Yang: best friends, seventh graders, spies. Equipped with walkie-talkies, binoculars, and candy, the girls sneak out for one of their midnight spy missions expecting a simple stakeout. But what starts as a silly game turns very real when they peek in on Luna Vista's notoriously bizarre middle-school counselor, Dr. Charlotte Agford (aka Dr. Awkward). Is there more to Dr. Agford than her tacky clothes and sugary falsetto voice? Sophie and Grace are convinced something sinister lurks below the surface... and they just might be right.

Ancient pyramids can be flat-out dangerous! Ever since Stanley was flattened by a bulletin board, there are places he can get to that no one else can. So when Stanley receives a letter from an archaeologist, he travels by airmail to Egypt to help find an ancient treasure deep in the heart of a great pyramid. But what if even the flattest boy on earth can't wriggle out of this dark tomb - and the terrible mess he finds himself in?

Scream and Scream Again! is full of twists and turns, dark corners, and devilish revenge. Collected in conjunction with the Mystery Writers of America, this set includes works from New York Times bestselling authors telling tales of wicked ice-cream trucks, time-travelling heroes, witches and warlocks, and of course, haunted houses.

It was 1798 when the Morningstarr twins arrived in New York with a vision for a magnificent city: towering skyscrapers, dazzling machines, and winding train lines, all running on technology no one had ever seen before. Fifty-seven years later, the enigmatic architects disappeared, leaving behind for the people of New York the Old York Cipher - a puzzle laid into the shining city they constructed, at the end of which was promised a treasure beyond all imagining.

Nancy Clancy is growing up and ready for a whole new adventure... in her chapter book debut! Nancy and her best friend, Bree, have everything they need to solve a mystery, from their totally professional trench coats to their top-secret code. But when crime strikes in their classroom, will these super sleuths be able to crack the case? Find out in the glamorous start to an all-new chapter book series featuring everyone s favorite fancy girl!

Do you need something? Mac can get it for you. It's what he does—he and his best friend and business manager, Vince. Their methods might sometimes run afoul of the law, or at least the school code of conduct, but if you have a problem, if no one else can help, and if you can pay him, Mac is on your side. His office is located in the East Wing boys' bathroom, fourth stall from the high window. And business is booming.

In New York Times best-selling author Dan Gutman's all-new series, which blends fascinating real history with an action-packed and hilarious adventure, four very different kids are picked by a mysterious billionaire to travel through time and photograph some of history's most important events. This time the four friends are headed to 1863 to catch Abraham Lincoln delivering his famous Gettysburg Address.

Will the twins make it back home to California in one piece, or will they fall off the top of the Golden Gate Bridge? It's all coming to an end with this fifth book in the Genius Files series. You'll have to listen to believe it!

Blessed with extraordinary abilities, orphans Philippa, Sam, and Thomas have grown up happily in Dumfrey's Dime Museum of Freaks, Oddities, and Wonders. But when a fourth child, Max, a knife thrower, joins the group, it sets off an unforgettable chain of events.

In this third book in the exceptional Curiosity House mystery series by best-selling author Lauren Oliver and mysterious recluse H. C. Chester, four children must uncover the evil Nicholas Rattigan's newest dastardly scheme, wage war with a rival freak show, and deal with a spy who may have infiltrated their happy home.

Pippa, Sam, Thomas, and Max are happy to be out of harm's way now that the notorious villain Nicholas Rattigan is halfway across the country in Chicago. But unfortunately their home, Dumfreys' Dime Museum of Freaks, Oddities, and Wonders, is in danger of closing its doors forever. But their troubles only get worse. The four friends are shocked when their beloved friend, famous sculptor Siegfried Eckleberger, is murdered.

Ridley Pearson brings us the origins of the rivalry between literature's most famous enemies - Sherlock Holmes and James Moriarty - told from the perspective of James' observant little sister, Moria. Before James grew up to be a ruthless, remorseless villain, he was a curious boy from Boston, with a penchant for trouble and an acid tongue. Thrown into a boarding school against his wishes, James winds up rooming with a most unlikely companion: a lanky British know-it-all named Sherlock Holmes.

It is 1884, and Molly and Cassandra Pepper, Emmett Lee, and Emmett’s long-lost father are sailing back to New York following their death-defying adventure in Antarctica. Having discovered a subterranean world at the South Pole while saving the world from certain doom once again, surely their accomplishments will finally earn them the recognition they deserve. Unless, of course...well, you know by now. And so do the Peppers and Lees.

It was only a few days ago that Tess Biedermann, Theo Biedermann, and Jaime Cruz, along with a mysterious figure from the past, managed to survive an assault on the location of the latest clue in the Morningstarr cipher - and, in the process, made a shocking discovery about their own connection to this 160-year-old enigma. Now the friends are divided. Tess and Theo have no idea what the photo they found in Greenwood Cemetery means, but Jaime is convinced that they do, and that they've been keeping their own secrets from him.