When 19-year-old Josh returns from Rome without his budding influencer girlfriend Amelia, he immediately becomes a suspect in her disappearance, but as college sophomore and hacker Harper attempts to clear his name, she unearths secrets from both Josh and Amelia's past.

In search of her missing father, Cara and her ex-boyfriend Nat venture into the Cascade Mountains, up a harrowing rock face, and navigate through time as they explore the impact of Pearl Harbor and its Japanese Incarceration Camps, Cara's family, and each other.

In an alternate London, where witches are registered and allowed to practice, Lucas and Glory, young members of WICA (Witchkind Intelligence and Covert Affairs), are assigned to infiltrate the witch-terrorist organization called Endor but what Glory really wants is to solve the mystery of her missing mother.

Fourteen-year-old Enola Holmes, disguised as a beautiful woman, finds clues in floral bouquets as she searches for the missing Doctor Watson, a companion of her famous older brother, Sherlock.

Meg Murry and her friends become involved with unearthly strangers and a search for Meg's father, who has disappeared while engaged in secret work for the government.

The other animals help Bunny Blue to look for his grandmother after he loses her.

Nearly a year after her twin sister went missing during a midnight race across Bottomrock Lake, eighteen-year-old Teddy Ware sifts through Izzy's secrets, hoping to find evidence that Izzy is still alive.

When Henry's magic teacher, The Amazing Arthur, goes missing right before the Greenfield Magic Shop's annual magic show, Henry and his sibilings look into Arthur's disappearance.

"Cordelia Clay loves the work she and her father do together: saving and healing the remarkable creatures around Boston at the end of the nineteenth century. Their home on Cedar Street is full to the brim with dragons, squelches, and diggles, and Cordelia loves every one of them. But their work must be kept a secret, others aren't welcoming to outsiders and immigrants, so what would the people of Boston do to the creatures they call 'monsters'? One...

When teenage Evie moves with her mother and brother to a new home known by locals as the Horror House, where a teen mysteriously vanished without a trace many years ago, she becomes haunted by a terrifying bonneted specter.