Mysteries In Our National Parks Escape From Fear

The Landons are in the Caribbean, in Virgin Islands National Park, to figure out what is destroying the coral reefs and causing the hawksbill sea turtle to disappear. Jack and Ashley find themselves hopelessly entangled in the mysterious life of Forrest Winthrop IV, the adopted son of a U.S. diplomat. Why is he so anxious to save an island woman named Cimmaron? What secret do they share? Follow the action to Jumbie Bay and see what the full moon reveals.

The hawkshill sea turtle is disappearing from the waters of the Caribbean, and the Landon's are in Virgin Islands National Park to figure out why.

In 1724, Rachel Howell leaves New York for South Carolina . . . and plunges into a dangerous world of pirates and hidden treasure that threatens her family’s future When New York–born and –raised Rachel Howell sails for South Carolina to be reunited with her father, the last thing she expects is to be attacked by pirates! She’s lucky to escape with her life, but the attackers take a pearl necklace belonging to her dead mother. Things go from bad to worse when Rachel arrives safely in Charles Town and learns her father is getting married again. The one bright spot is her friendship with Sally Pugh, the daughter of the local tavern owner. Until Papa’s bride-to-be arrives . . . and forbids Rachel from seeing Sally. Determined to remain friends, Rachel and Sally search for a secret place to meet. They discover a hidden island in the Charles Town port, containing a sinkhole filled with quicksand, rocks with mysterious markings, . . . and a human skull. But when the girls are stranded overnight and overhear men in a hidden lagoon, they realize they’ve stumbled onto something big. It could destroy Rachel’s father’s business . . . and Rachel’s life. This ebook includes a historical afterword.

While at St. John National Park in the Virgin Islands for a seminar on coral reefs, the Landons help a wealthy thirteen-year-old to find his birth mother, who he believes is in danger.

While at St. John National Park in the Virgin Islands for a seminar on coral reefs, the Landons help a wealthy thirteen-year-old to find his birth mother, who he believes is in danger.

Explores Yellowstone National Park, introducing its geography, wildlife, climate, trails, and history.

The Landon family makes a trip to Death Valley National Park accompanied by a mysterious new foster child, fourteen-year-old Leesa Sherman.

The Landon family is Southbound—headed for Florida to investigate a mysterious illness plaguing endangered manatees in Everglades National Park. Jack, Ashley, and their friend Bridger soon find themselves in deadly waters with a seven-foot shark, an injured manatee—and a mystery to solve. Who was the stranger in the speedboat who snatched Jack's camera? And what does he have to do with the manatees? Join the heart-stopping chase through a maze of mangrove islands to find out!