Children Literature Mysteries

Sara Martinez is a hacker. She recently broke into the New York City foster care system to expose her foster parents as cheats and lawbreakers. However, instead of being hailed as a hero, Sara finds herself facing years in a juvenile detention facility and banned from using computers for the same stretch of time. Enter Mother, a British spy who not only gets Sara released from jail but also offers her a chance to make a home for herself within a secret MI5 agency. Operating out of a base in Scotland, the City Spies are five kids from various parts of the world.

When Lewis Barnavelt, an orphan, comes to stay with his Uncle Jonathan, he expects to meet an ordinary person. But he is wrong. Uncle Jonathan and his next-door neighbor, Mrs. Zimmermann, are both witches! Lewis is thrilled. At first, watching magic is enough. Then Lewis experiments with magic himself and unknowingly resurrects the former owner of the house: a woman named Serenna Izard. It seems that Serenna and her husband built a timepiece into the walls - a clock that could obliterate humankind. And only the Barnavelts can stop it!

It is a society that is, officially, a paradise. Superior to the decadent West, Stalin's Soviet Union is a haven for its citizens, providing for all of their needs: education, health care, security. In exchange, all that is required is their hard work, and their loyalty and faith to the Soviet State. But now a murderer is on the loose.

Henry, Jessie, Violet, and Benny used to live alone in a boxcar. Now they have a home with their grandfather, and they're fixing up their boxcar so they can ride it in the big Greenfield Founder's Day parade. There's just one problem: Someone has stolen the boxcar... with their dog Watch in it! If only they can find the missing boxcar, it will lead them to Watch.

There's a mysterious burglar in Peterswood. No one has seen the thief, but there are huge footprints and handprints left behind at every robbery. Who could possibly have feet that big? Fatty, Daisy, Larry, Pip, Bets and Buster the Dog are sure to find out!

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?

The Scavengers are back, and if you've followed my story up until now, then you'll know it's not all gumdrops and lollipops over here. If it were just The Scavengers, I might've been all about the challenge, but this time they've brought their leader - an eighth grader named Victor. He's everything that Wyatt is, only a bajillion times worse. Victor won't rest until he takes away the most important thing in my life, and guess what? He's doing a bang-up job of it.

Snowbound Mystery: It’s an unusual winter vacation for the Alden family when a huge snowstorm traps them in the woods! Luckily, the log cabin where they’re staying is cozy - only there are strange noises in the night and a mysterious code is carved into the closet door. The rescue is a long wait for the Boxcar Children, but the cabin is full of secrets.

After saving the world, Charlie is ready to take it easy in the Galapagos Islands. That is, until she’s approached by the mysterious Esmeralda Castle, who has a code she knows only Charlie can decipher. In 1835, Charles Darwin diverted his ship’s journey so he could spend ten months in South America on a secret solo expedition. When he returned, he carried a treasure that inspired both awe and terror in his crew. Afterward, it vanished, never to be seen again.

ShadowClan has chosen Tigerclaw as their new leader, and Fireheart fears that this old enemy still harbors dark plans for vengeance on his former Clan. A mysterious threat has invaded the forest, placing every cat's life in peril. And Fireheart's beloved leader has turned her back on their warrior ancestors. Fireheart can't help but wonder if she's right - has StarClan abandoned them forever?

Cousin Althea may lose her house in an auction. Can the Boxcar Children help her?

After staking out, obtaining, and then being forced to give up her first boyfriend, Josh, all Cammie Morgan wants is a peaceful semester. But that's easier said than done when you're a CIA legacy and go to the premier school in the world...for spies. Cammie may have a genius I.Q., but there are still a lot of things she doesn't know. Like, will her ex-boyfriend even remember she exists? And how much trouble is she really in after what happened last semester? And most of all, why is her mother acting so strangely?

It’s springtime at St. Vladimir’s Academy, and Rose Hathaway is this close to graduation. Since Mason’s death, Rose hasn’t been feeling quite right. She has dark flashbacks in the middle of practice, can’t concentrate in class, and has terrifying dreams about Lissa. But Rose has an even bigger secret: She’s in love with Dimitri. This time, it’s way more than a crush. Then Strigoi target the academy in the deadliest attack in Moroi history, and Dimitri is taken. Rose must protect Lissa at all costs, but keeping her best friend safe could mean losing Dimitri forever....

Nikki Roberts feels very grown up when her parents leave her alone in their mountain lodge for a few days. The 13-year-old has promised them she will not take any long horseback rides or canoe trips, so she saddles Goblin and heads for a nearby sheep meadow for the afternoon. It’s not long before Nikki’s trail leads her into perilous territory. She surprises deadly poachers at work who are shooting bighorn rams for trophies. Her CB radio picks up a distress call from two children stranded in a forest fire that has broken out down river.

The Boxcar Children don't want to miss the chance to meet Madlynn Rose, their favorite pop star. But it turns out she is the one who's missing!

Mattie Gokey has a word for everything. She collects words, stores them up as a way of fending off the hard truths of her life, the truths that she can't write down in stories.

Amy learned a lot in her babysitting course - but not what to do if two thugs show up, intent on kidnapping. When Amy agreed to babysit little Kendra Edgerton, she had no idea she was stepping into a kidnapping plot. Armed with misinformation and a weapon, the two men force the girls out of the house and take them to a remote cabin in the woods. There they make videos of the girls and mail them to Kendra’s wealthy parents in an effort to get ransom money.

The Gallagher Academy for Exceptional Young Women is a fairly typical all-girls school - that is, it would be if every school taught advanced martial arts in PE and the latest in chemical warfare in science, and students received extra credit for breaking CIA codes in computer class. The Gallagher Academy might claim to be a school for geniuses, but it's really a school for spies.

Reaching the end of their flight in The Knife of Never Letting Go, Todd and Viola did not find healing and hope in Haven. They found instead their worst enemy, Mayor Prentiss, waiting to welcome them to New Prentisstown. There they are forced into separate lives: Todd to prison, and Viola to a house of healing where her wounds are treated. Soon Viola is swept into the ruthless activities of the Answer, while Todd faces impossible choices when forced to join the mayor’s oppressive new regime.

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!