After tragic events tear Mickey Bolitar away from his parents, he is forced to live with his estranged Uncle Myron and switch high schools, where he finds both friends and enemies, but when his new new girlfriend, Ashley, vanishes, he follows her trail into a seedy underworld that reveals she is not what she seems to be.

Seventeen-year-old Johnny is approached at his family's struggling shoe repair shop in a Miami, Florida, hotel by Alorian Princess Victoriana, who asks him to find her brother who was turned into a frog.

In 1871 Wisconsin, thirteen-year-old Georgia sets out to find her sister Agatha, presumed dead when remains are found wearing the dress she was last seen in, and before the end of the year gains fame as a sharpshooter and foiler of counterfeiters.

In late nineteenth-century London, fourteen-year-old Enola Holmes, much younger sister of detective Sherlock Holmes, turns to Florence Nightingale for help when her investigation into the disappearance of a Crimean War widow grows cold.

"When otherworldly forces descend on their town of Whispering Pines, conspiracy theorist Rae, who's searching for her lost father, and Caden, who's haunted by the ghost of his brother, must band together to save their home."--

While attending an amusement park under the new ownership of their friend Daisy, Joe and Frank investigate the disappearance of a patron who was last seen riding a hit attraction, an event that has threatened Daisy's family's livelihood.

Solving the mystery of fugitive billionaire Russell Pickett would bring a hundred-thousand-dollar reward, so Aza and her best friend, Daisy, are eager to investigate. They navigate the short distance from their homes in Indianapolis, as well as the broad social divides, that separate them from Russell Pickett's son, Davis. But Aza is living within the ever-tightening spiral of her own thoughts. Still hurting from the death of her father years ago,...

Twelve-year-old Mila travels with her father to upstate New York to visit friends and family, who may lead them to clues to the whereabouts of her father's best friend, who has gone missing.

Sam Faulkner travels back in time to medieval Ireland, ancient Egypt and Renaissance Bruges in search of his missing father.

When Aero Horizon 16 crashes in the Arctic, eight children emerge from the wreckage to find themselves alone and surrounded, not by ice, but by a mysterious and deadly jungle full of carnivorous plants and predatory birds--the other five hundred people from the plane are gone, not necessarily dead, but taken by something that lives in the jungle.