When her mother, who disappeared 16 years before, reappears while a true crime documentary about her case is being filmed, 18-year-old Bel, not buying her mom's unbelievable story about what happened to her, must uncover the real reason Rachel Price is back from the dead.

Sixteen-year-old Aza never intended to pursue the mystery of fugitive billionaire Russell Pickett, but there's a hundred-thousand-dollar reward at stake and her best and most fearless friend, Daisy, is eager to investigate. So together, they navigate the short distance and broad divides that separate them from Russell Pickett's son, Davis. Asa is trying. She is trying to be a good daughter, a good friend, a good student, and maybe even a good detective,...

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.

Reynie, Kate, Sticky, and Constance, all graduates of the Learning Institute for the Very Enlightened and members of the Benedict Society, embark on a scavenger hunt that turns into a desperate search for the missing Mr. Benedict.

Nick and his friend Marta decide to investigate when a mysterious fire starts near a Florida wildlife preserve and an unpopular teacher goes missing.

A series of bizarre events in their home town lead the Hardy boys on a trail of robbers and kidnappers.

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

Told in two voices, a seventeen-year-old battered and bruised girl struggles to remember who she or the man claiming to be her father is while seventeen-year-old Drew stops at nothing to find his missing girlfriend.

Twelve-year-old Alice Queensmeadow, with the help of her friend Oliver, travels through the dangerous, magical land of Furthermore in order to rescue her missing father and prove her own magical abilities.

Amari Peters has never stopped believing her missing brother, Quinton, is alive. Not even when the police told her otherwise, or when she got in trouble for standing up to bullies who said he was gone for good. So when she finds a ticking briefcase in his closet, containing a nomination for a summer tryout at the Bureau of Supernatural Affairs, she's certain the secretive organization holds the key to locating Quinton--if only she can wrap her head...