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When a mysterious sound interrupts Cookie Monster's snack time, he follows that sound—hoping to find something tasty! Instead, he discovers super silly mysteries featuring a tap-dancing dinosaur, a not-so-sleepy baby, a mischievous monkey, and more surprising friends. With help from his Sesame Street pals, Cookie Monster learns to ask questions, follow clues, and stay focused (well, sort of). While nothing beats om-nom-nomming cookies, solving mysteries with friends comes pretty close.

ジュニア文庫No.1 シリーズ！TVに出て大人気になったペンギン探偵社。とっても得意げなP.Pジュニアだが、頼んだ宅配ピザが爆発するという事件が起こった！まさかししょーが狙われている！?

When Pleakley learns of a mosquito sanctuary in West Virginia, he convinces his ‘ohana to embark on a road trip so he can continue his audio-journal study into Earth’s most important species—and prove to Jumba that he is a real scientist. But they quickly realize that everything is not as it seems. Confronted with suspicious scientists, rumors of a mosquito cryptid terrorizing their campsite, and a new friend in need, it will take all of their investigative skills—and a little hypnotism—to get to the bottom of this Mansquito mystery.

When weapons and armor mysteriously disappear across the region, Mulan embarks on a journey to uncover the truth. With a war brewing just beyond the Wall, finding the missing munitions is crucial to defending their land and way of life. Join Mulan and her friends, Cri-Kee, Kahn, and Mushu on this exciting adventure as they race against time to uncover who is stealing their weapons before the invading enemy launches their attack.

祝20巻！ジュニア文庫No.1シリーズ！ペンギン探偵の助手アリスは不思議な指輪の力で『鏡の国』に入れる、ちょっと変わった女の子。鏡の国はゆっくーり時間が流れているから、忘れていた宿題を考えようと鏡の国に入ったアリス。だけど中では、白ウサギが慌てていた！　理由をきいてみると、鏡の国の時間を操れる時計が盗まれてしまったらしい。

今回のアリペンはスパイバトルで大活躍！？ペンギンの探偵・ししょーの助手をしながらペンギン探偵社に同居しているアリス。ところが、ししょーのムダ遣いのせいで探偵社は金欠の大ピンチ…。そんな時に依頼をもらって喜んで行った市長の家で、なんと妖怪の一つ目入道があらわれて…!?

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!...

Eva's teacher, Miss Featherbottom, is getting married. All of her students have been invited to the wedding. And Eva starts a Secret Wedding Planners Club! But before Miss Featherbottom walks down the aisle, her necklace goes missing. Eva wants to help! She quickly turns her Wedding Planners Club into a Detectives Club. Can Eva track down the missing necklace before Miss Featherbottom's wedding is ruined?

今回はアリスｖｓ．妖怪！？★ペンギン探偵と助手のアリスが今日も華麗に？はちゃめちゃな事件を解決！？★ペンギンの探偵、P・P・ジュニアの助手として『ペンギン探偵社』に同居している中学2年生のアリス。ある日、美少女（自称）怪盗の赤ずきんが、アルバイト先の甘味処のピンチを救って欲しいとやって来た！

試験問題を盗んだ疑いを受けた赤ずきんがペンギン探偵社にかけこんできた！　赤ずきんの疑いを晴らすため、アリスはミニサイズになって、警戒厳重な学校に潜入し真犯人を捜すことに。けれど、学校は、小さくなったアリスには、とてつもなく危険な場所だった…。

Ein warmherziger und humorvoller Mäusekrimi über eine mutige Detektivin, Vertrauen und den Zauber von Gemeinschaft! Das quirlige Mäusemädchen Fine überlässt ungern etwas dem Zufall – sie plant lieber einmal zu viel als einmal zu wenig! Kein Wunder also, dass sie in diesem Jahr die...

The Land of Stories meets From the Desk of Zoe Washington in this fantastical middle grade mystery where three kids' search for a missing mother leads them to a world where every story ever told is real—making a hit web series about their search along the way. Five months ago, Maggie...

Lizzy ist alles andere als begeistert, als ihre Mutter beschließt, ausgerechnet ihr Kinderzimmer an Touristen zu vermieten. Mit ihrer kleinen Schwester Maxi ein Zimmer teilen? Auf keinen Fall! Entschlossen schmiedet Lizzy Pläne, um die ungebetenen Gäste wieder loszuwerden. Ihr Vorhaben...

A robot battle turns sinister when Jarli is approached by government agents. They want him to use his lie-detector app to prove the defence minister is telling the truth. The minister may not be lying, but someone else is. A shock attack occurs and Jarli becomes the prime suspect. He can’t even use the Truth app to prove his innocence because someone has hacked it. Soon Jarli is on the run from the police, unable to trust anyone. Only one person could be behind this diabolical plan. Can Jarli stop Viper before it’s too late? The truth won’t stay buried for long...

A wealthy man has been murdered in the strangest circumstances. A woman's wedding ring has been found with the body and the word "RACHE" has been scrawled in red on a nearby wall. Is this mystery too baffling for even the brilliant Sherlock Holmes?

This groundbreaking classic is now available in a special anniversary edition with bonus content. Winner of the Newbery Medal as well as the National Book Award, HOLES is a New York Times bestseller and one of the strongest-selling middle-grade books to ever hit shelves! Stanley Yelnats is under...

Sully stopped showing us his finds. Baz blames a raccoon. Dash wants proof. Phoebe already knows.Don't let the page count fool you. Big type, generous spacing, and short chapters make this a fast, easy read. Nearly a quarter of the book is support material for teachers and homeschoolers, all...

Welcome to a brand-new season of Highlights Mystery Theater, the show where YOU can help solve the case! Follow along with kid detective siblings Mike and Cleo McClue as they investigate missing pets, invisible bus riders, and disappearing cupcakes. Listen for the clues and see if you can solve the case before they do!

In the summer of 2005, Mookie Hooper—think Diane Sawyer in a training bra—investigates a girl who went missing from Camp Cartwright, while confronting the budding anxieties of tweendom.

A coach driver has been murdered...and it looks like the killer is going to get away with their terrible crime. The only clue is a torn piece of paper in the victim's hand, with a few words written on it. With the help of this single tiny clue, can our legendary sleuth unravel the mystery?