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

When the difficult star of the reality television show "Expedicion de supervivencia!" disappears while filming an episode in the Florida Everglades using animals from the wildlife refuge run by Wahoo Crane's family, Wahoo and classmate Tuna Gordon set out to find him while avoiding Tuna's gun-happy father.

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.

When their father dies, the Dashwood women--Mrs. Dashwood, Elinor, Marianne, and young Margaret--are plunged into poverty. Things take a turn for the better when sensible Elinor finds herself falling deeply in love with shy kindred spirit Edward Ferrars. But they are soon split apart when the Dashwoods move to a small cottage on the country estate of distant relatives. There Marianne, an impulsive romantic, is swept off her feet by the seemingly perfect...

When the Alden children and their grandfather visit Everglades National Park in Florida to solve the mystery of a missing ranger, they discover that a panther provides a clue.

From Santa Fe, New Mexico, to Edinburgh, Scotland, thirteen-year-old Adam Adlar must elude police while being hunted by a dinosaur come-to-life from a virtual reality game invented by his father, who has gone missing.

Vega Jane has never left the village of Wormwood. But this isn't unusual, nobody has ever left the village of Wormwood. At least not until Quentin Herms vanishes into the unknown. Vega knows Quentin didn't just leave, but that he was chased. And he's left behind a very dangerous trail of clues that only she can decode. The Quag is a dark forest filled with terrifying beasts and bloodthirsty Outliers. But just as deadly are the threats that exist within...

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. Aza is trying. She is trying to be a good daughter, a good friend, a good student, and maybe even a good detective,...

"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"--

When her boyfriend leaves her for her best friend, Jade joins a semester long cruise program unaware that the two are also onboard, and when her ex-boyfriend is murdered and his new girlfriend goes missing, Jade must dig into her shipmates' lives to find the murderer and clear her name.