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.

Rumors spread that Tobias Hawthorne's lost son may still be alive, casting doubt on seventeen-year-old Avery's inheritance and changing the rules of the game.

One month before graduating from his Central Florida high school, Quentin "Q" Jacobsen basks in the predictable boringness of his life until the beautiful and exciting Margo Roth Spiegelman, Q's neighbor and classmate, takes him on a midnight adventure and then mysteriously disappears.

When her best friend Lydia disappears, Piper Sail goes searching for answers in the dark underbelly of 1924 Chicago, uncovering deep corruption that may lead back to her affluent neighborhood.

When her friend Monday Charles goes missing and Monday's mother refuses to give her a straight answer, Claudia digs into her disappearance.

While true-crime afficionado Ellery and her twin brother are staying with their grandmother in a Vermont community known for murder, a new friend goes missing and Ellery may be next.

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.

Scarlet Benoit and Wolf, a street fighter who may have information about her missing grandmother, join forces with Cinder as they try to stay one step ahead of the vicious Lunar Queen Levana in this story inspired by Little Red Riding Hood.

After solving the murder case together, Ravi Singh helped Pip create a podcast that soon went viral, but they both swear off sleuthing. When Jamie Reynolds goes missing on the sixth anniversary of the deaths of Andie Bell and Sal Singh, however, Pip feels it's too big of a coincidence to ignore. With the spotlight on her, can she still follow the clues and uncover even more sinister depths to her hometown?

Seventeen-year-old Sam seems to have everything until she and her best friend, Cassie, disappear one night and now Sam has returned with amnesia, striving to be a much better person and aware that her not remembering may be the only thing keeping Cassie alive.