検索キーワード： ミステリー・サスペンス

The Secret Seven have a new meeting place - a treehouse! But someone else is using it, too. The gang is furious, but then they learn the intruder is in big trouble and needs their help.

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. It's their first adventure, and the Secret Seven super-sleuths are already on the trail of a mystery! The gang are dressed in disguise, following a lead to a spooky old house in the snow.... Solve the mystery!

“明日“が当たり前にあると思ってはいけないよ……。“明日“が当たり前にあると思ってはいけないよ……。切なさと優しさで胸がいっぱいになる、犬と人のものがたり。3話収録。★永遠のクロ…小学生の宗司たちは、足を伸ばして出かけた公園で黒い犬と出会う。その犬のおなかには赤ちゃんがいるようだ。宗司たちは黒い犬をどうするか悩むが!？

Governments were toppled and rulers were killed during the last attempt to find the lost treasure Amy and Dan Cahill are searching for - do they even stand a chance?

No mystery is too great for super-sleuth Cam Jansen and her amazing photographic memory! Can Cam help catch the diamond thief? Cam and her friend Eric are sitting at the mall when the jewelry store is robbed. Cam sees the thief, but the police arrest the wrong person. Now it's up to Cam to catch the real criminal!

These are just some of the 10 brain-twisting mysteries that Encyclopedia Brown must solve by using his famous computerlike brain. Try to crack the cases along with him!

When there's a bank robbery in the country village where Djuna lives, and one of his dog's best friends gets shot in the escape, the boy makes up his mind he'll find out who did it. His chum and his dog, Champ, are in on the hunt, and two heads and a keen nose are better than one. The boys remember something queer they noticed about a truck with a covered load that passed them on the road when they were going fishing.

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?

The whole of London is shocked and baffled by the murder of Ronald Adair. It seems like an impossible crime! Can our sensational sleuth solve the mystery of how Adair was killed before the murderer strikes again?

Katie is looking forward to the peanut butter and jelly sandwich she has for lunch. But after recess, she discovers her sandwich is missing! As she searches for her sandwich, she wonders if one of her classmates is to blame. How will she solve the mystery of her missing sandwich?

Katie, Pedro, and their moms are headed out for an afternoon of canoeing. But Katie and her mom get separated from the other canoe, and before long, Pedro and his mom are worried. Where could they have gone to? The search is on for Katie Woo and her fishy canoe!

Something weird is going on! First the school bus gets a flat tire, and then Mrs. Kormel is totally lost in the middle of nowhere! Mrs. Kormel is the weirdest bus driver in the history of the world, and she's driving everyone crazy!

While in New York City on a field trip, Sam Archer and her friends find themselves immersed in a run of crimes at sightseeing locations.

The trip to the amusement park should be fun. But when Samantha "Sam" Archer and her friends try out the haunted house ride, things go terribly wrong!

Edward "Egg" Garrison thought the field trip to the caverns would be a great place to take pictures. It turns out it's the perfect place for a mystery!

Catalina "Cat" Duran and her class are off to the recycling center for what seems like the worst field trip ever. But when they arrive, they find out that the recycling plant has been sabotaged! Only Cat and her friends can save the day (and help save the Earth, too!).

At only seventeen years old, Ian Kabra is head of the Cahills, the most powerful family in the world. He has presidents on speed dial, generals at his beck and call. Ian knows he's an ideal leader and the only man for the job. There's just one small problem: He's already messed up big time. A Cahill from the past calling himself the Outcast has risen to challenge Ian with an impossible test. The Outcast has re-created four of history's greatest disasters and dared Ian to stop him.

Rosamond is having a birthday party for her cousin Lizzy! Nate the Great and his dog, Sludge, are invited. So are Lizzy's four pet snakes. Nate believes that a good detective knows his limits. Nate does not want to go to a birthday party filled with dangerous, slimy guests. But when one of these "guests" goes missing, Nate and Sludge must face their fears to save the day!

A bizarre chain of events begins when 16 unlikely people gather for the reading of Samuel W. Westing's will. And though no one knows why the eccentric, game-loving millionaire has chosen a virtual stranger - and a possible murderer - to inherit his vast fortune, one thing's for sure: Sam Westing may be dead...but that won't stop him from playing one last game!

Ben Ripley’s longtime nemesis, Murray Hill, has put a price on Ben’s head and accused him of being at the center of a conspiracy on the internet. Now Ben finds himself in his greatest danger yet, on the run from both assassins and conspiracy theorists. Ben must find Murray before his machinations catch up to Ben—but with so much at stake, even some of Ben’s most trusted friends might not be at the top of their game, leaving Ben to be tested like never before.