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.

Jack, Ashley, and their parents visit Hawaii where they meet a Vietnamese boy who is going to live with his American grandfather whom he has never met, and are pursued by the Goddess Pele.

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

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.

Missing tooth, a hunk of cheese, and white fur are the clues Tully has to solve the latest mystery at Watson Elementary. With the help of the Gumshoe Gang, she sets off to find out who stole CoCo the turtle. But more importantly, why? This latest case comes just when she’s planning her birthday party and trying to find out who she really is. Talk about a full plate. These mysteries are perfectly suited to keep readers guessing as they solve for clues. With longer sentences and fewer illustrations, they are just the right fit for your early fluent reader. • Underlying issues related to friends, family, and growing up • Extensive back matter • Keeps kids guessing with false clues

What do you do when you’re being bullied—by a ghost? Find out in this story that “nicely blends the comic and the sinister” (Booklist). Three months ago, when Ernie P. Barber came to Treverton from Los Angeles, he’d been like a missile aimed at trouble. And Ernie had chosen Jeff to be his best friend, whether he liked it or not. “You’re my buddy, old buddy,” Ernie would always say, “. . . and I’m going to cut you in on my T.S.P.” But when Ernie dies as a result of a freak accident, Jeff’s troubles are only beginning. The ghost of Ernie P. starts to haunt Jeff. At first, Jeff thinks he’s going crazy. But when the letters T.S.P. (Ernie’s code for Top Secret Plan) and some newspaper clippings keep mysteriously appearing, Jeff is convinced that Ernie’s ghost wants him to carry out the T.S.P. alone—whatever it might be. Not until Jeff faces terrible danger and stands up to the ghost of Ernie P. does the mystery of the T.S.P. unravel.