Mystery Friendship

A bunch of kids at Stoneybrook Elementary have pen pals at a school in New Mexico. The baby-sitters love hearing the letters that Charlotte, Becca, and the Pike kids get from their new friends.

Owen Mann is charming, privileged, and chronically dissatisfied. Luna Grey is secretive, cautious, and pragmatic. Despite their differences, they form a bond the moment they meet in college. Their names soon become indivisible—Owen and Luna, Luna and Owen—and stay that way even after an unexplained death rocks their social circle.

When a book of unexplainable occurrences brings Petra Andalee and Calder Pillay together, strange things start to happen: seemingly unrelated events connect, an eccentric old woman seeks their company, and an invaluable Vermeer painting disappears.

Sally Jones is not only a loyal friend, she's an extraordinary individual. In overalls or in a maharaja's turban, this unique gorilla moves among humans without speaking but understanding everything. She and the Chief are devoted comrades who operate a cargo boat. A job they are offered pays big bucks, but the deal ends badly, and the Chief is falsely convicted of murder.

Capitol City's Natural History Museum is haunted—or at least that's what someone wants people to think. But Wilson Kipper, son of the museum's head paleontologist, knows better. When the mysterious occurrences go from spooky to dangerous, the museum is forced to close its doors. Can Wilson and his friends get to the bottom of things, or will the Natural History Museum be closed for good?

When the plans for the prototype of a failed flying machine go missing from the Air and Space Museum's archives, Amal's father, the assistant archivist, is blamed. No one suspects a crime has been committed - except Amal and her friends. With her father's job on the line, it's up to them to track down the missing plans and get to the bottom of the museum mystery.

Alexandr and Christine and Zachary and Lydia have been close friends since they first met in their 20s. Thirty years later Alex and Christine are spending a leisurely summer evening at home when they receive a call from a distraught Lydia. Zach is dead. In the wake of this profound loss, the three friends find themselves unmoored; all agree that Zach was the sanest and kindest of them all, the irreplaceable one they couldn’t afford to lose. Inconsolable, Lydia moves in with Alex and Christine.

Fourteen-year-old Sophronia is a great trial to her poor mother. Sophronia is more interested in dismantling clocks and climbing trees than proper manners - and the family can only hope that company never sees her atrocious curtsy. Mrs. Temminnick is desperate for her daughter to become a proper lady. So she enrolls Sophronia in Mademoiselle Geraldine's Finishing Academy for Young Ladies of Quality. But Sophronia soon realizes the school is not quite what her mother might have hoped.

The juniors at Paloma High School all have their secrets, whether it's the thespian who hides her trust issues onstage, the closeted pansexual who cares only about his drug-dealing profits, or the neurotic genius who's planted the seed of a school scandal. But it's Juniper Kipling who has the furthest to fall. No one would argue that Juniper - obedient daughter, salutatorian, natural beauty, and loyal friend - is anything but perfect.

Anna Hunt may be the new girl at East Middle School, but she can already tell there’s something off about her eighth-grade class. Rachel Riley, who just last year was one of the most popular girls in school, has become a social outcast. But no one, including Rachel Riley herself, will tell Anna why.

The Grayson twins are moving to a new town. Again. Although it's a drag to be constantly mistaken for each other, in truth, during those first days at a new school, there's nothing better than having a twin brother there with you. But on day one of sixth grade, Ray stays home sick, and Jay is on his own. No big deal.

Ariana Osgood has everything she's ever wanted: A place at elite Atherton-Pryce boarding school. Fabulous friends. A new crush. And most important, a new identity. Now that she's officially become Briana Leigh Covington, Ariana's troubled past is dead and buried. Or is it? When the one person who knows her secret arrives on campus, Ariana decides it's time to say good-bye to her ex-best friend---forever.

A decade ago, Ella Brooke's older sister, Miranda, vanished without a trace. With every passing year, Ella has come to resemble more closely the sister she lost - the same dark hair, the same piercing blue eyes - and now she's the same age Miranda was when she disappeared. Ella has never let go of her sister. She can still feel Miranda's presence, still hear her voice. She still talks to her. What holds Ella together is her love for her sister's 10-year-old son and her work as a self-defense expert helping victims.

Ten years ago, seven-year-old Samantha and her next door neighbor Remy watched helplessly as Sam's little sister was kidnapped. Later, Remy and Sam identified the man and he was sent to prison.

Remy Tsai used to know how her story would turn out. But now, she doesn’t even know what tomorrow will look like. She was happy once. Remy had her boyfriend, Jack, and Elise, her best friend - her soul mate - who understood her better than anyone else in the world. But now, Jack is dead, shot through the chest...and it was Elise who pulled the trigger. Was it self-defense? Or something darker than anything Remy could have imagined?

For five friends, this was supposed to be one last getaway before going their separate ways - a chance to say good-bye to each other and to the game they've been playing for the past three years. But they're all dealing with their own demons, and they're all hiding secrets.

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 Theodora Tenpenny spills a bottle of rubbing alcohol on her late grandfather's painting, she discovers what seems to be an old Renaissance masterpiece underneath. That's great news for Theo, who's struggling to hang on to her family's 200-year-old townhouse and support her unstable mother on her grandfather's legacy of $463. There's just one problem: Theo's grandfather was a security guard at the Metropolitan Museum of Art, and she worries the painting may be stolen.

When Lenna gets a call from her old friend Rhiannon, she is startled; Rhiannon disappeared years ago without a trace. But Lenna is even more startled to learn that Rhiannon has a son and that she lives off the grid with a group of women in a community called Halcyon. Rhiannon invites Lenna, a new mother herself, to join them. Why suffer the sleepless nights by yourself? It takes a village, after all. Lenna decides to go and hopefully repair her relationship with Rhiannon, but as she drives into the desert and her cell service gets weaker, she becomes suspicious.

Josephine Williams is a future-focused, internet-loving 11-year-old who is desperate to explore the world beyond her cul-de-sac—and her browser. When she learns about Josephine Holloway—a woman who started the first Girl Scout Troop for Black girls in America—she's certain she must start her own. Enlisting her friends Margot Anderson and Wesley Evans, the trio begin their quest for their Camping Badge. Drawn to an abandoned factory nearby, they stumble across something strange. An ancient square television and two tatty armchairs.