When a set of priceless paintings by Leonardo da Vinci and Rembrandt go missing in Russia, the Kidd siblings head to St. Petersburg and the wild Arctic tundra to find the bad guys and locate the treasure.

Twelve-year-old Henry York wakes up one night to find bits of plaster in his hair. Two knobs have broken through the wall above his bed and one of them is slowly turning. Henry scrapes the plaster off the wall and discovers cupboards of all different sizes and shapes. Through one he can hear the sound of falling rain. Through another he sees a glowing room--with a man pacing back and forth! Henry soon understands that these are not just cupboards,...

Perry Firekeeper-Birch was ready for her Summer of Slack but instead, after a fender bender that was entirely not her fault, she's stuck working to pay back her Auntie Daunis for repairs to the Jeep. Thankfully she has the other outcasts of the summer program, Team Misfit Toys, and even her twin sister Pauline. Together they ace obstacle courses, plan vigils for missing women in the community, and make sure summer doesn't feel so lost after all. But...

Haunted after helping her father on his ghost-themed Chicago bus tour, twelve-year-old Claire must discover what the spectral boy from the bus wants before it is too late.

Traveling to Antarctica for a prestigious science competition, twelve-year-old Jack and his genius foster siblings, Ava and Matt, become caught up in a mystery involving a missing scientist.

Three months after she breaks up with her now ex, Dean, seventeen-year-old Kaylee and her family go on their annual vacation with Dean's family, and so to avoid an awkward trip, Kaylee tries to set some ground rules with him but finds herself falling for him all over again.

Having escaped Miss Peregrine's island by the skin of their teeth, Jacob and his new friends must journey to London (circa 1940), the "peculiar" capital of the world. There, they hope to find a cure for their beloved headmistress. But in this war-torn city, surprises lurk around every corner.

Eleven-and-a-half-year-old Valentina Salazar grew up as a monster protector until her father's loss, but when a video of a mythical egg appears, Valentina convinces her older brother and sister to help her find and save it--all while avoiding the monster hunters who want to destroy it.

Jane McKeene was born two days before the dead began to walk the battlefields of Gettysburg, Pennsylvania-- derailing the War Between the States and changing the nation forever. Now laws like the Native and Negro Education Act require certain children attend combat schools to learn to put down the dead. Jane is studying to become an Attendant, trained in both weaponry and etiquette to protect the well-to-do. But it's not a life Jane wants. When families...

Twelve-year-old Jasmine Lopez loves exploring the coral reefs around Fiji where her marine biologist parents are stationed, and though young, she is already a certified scuba diver, a fact that her ten-year-old brother Arjun seems to resent; in fact he seems to believe he already knows everything about diving, and certainly does not want help from his older sister--until his overconfidence and defiance leads them both into a confrontation with a reef...