Alane Ferguson

Jack can't believe what he's hearing. His sister is being held hostage. Whoever snatched Ashley must have been following the Landons as they explored Death Valley National Park. But what do they want with Leesa? When Jack discovers why Leesa is on the run, he is determined to protect her. But how can he do that and save Ashley, too? One thing he knows for sure, failure is not an option. National Geographic supports K-12 educators with ELA Common...

Jack and Ashley's search for eight-year-old Sammy has left them hopelessly lost in a twisted maze of tunnels deep inside Carlsbad Caverns. Bats are everywhere, and the echoes of their screeching cries sends a chill through the trio. The only light is the candle in their lantern. What will happen when it burns out, leaving them in total darkness?

Grizzly cubs are disappearing from Glacier National Park, and the Landon family must figure out why! But for Jack, the real mystery is his sister Ashley's strange behavior. What was she doing alone in the woods so early in the morning? And why did she lie to their parents? Jack's efforts to unravel the truth lead to a pulse-pounding adventure that brings the Landon kids face to face with an enraged grizzly-as Jack and his sister suddenly become the...

As the daughter of a Colorado County coroner, seventeen-year old Cameryn Mahoney is no stranger to death. In fact, she's always been fascinated by the science of it. So she's thrilled to finally get some hands-on experience in forensics working as her father's assistant. But Cammie is in for more than she bargained for when the second case that she attends turns out to be someone she knows--the latest victim of a serial killer known as the Christopher...

When Dr. Olivia Landon receives this anonymous e-mail shortly after broadcasting her controversial plan to save the condors, everyone thinks it's a crank threat except Dr. Landon's daughter Ashley. She's sure it's the handiwork of Morgan Rogers, self-proclaimed anarchist and computer geek. Suspicions mount when the death threat almost becomes a reality, and Morgan is the only witness. Is he innocent or guilty? Journey into the maze of Morgan's cyberworld...

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....

This thrilling series roars back to life with the release of Mystery #13, Night of the Black Bear. Something very strange is going on in Great Smoky Mountains National Park. A teenage girl is the latest victim in a growing number of bear attacks. Officials must figure out what's causing the bizarre bear behavior or close the park. Can the Landons help? Soon Jack and Ashley are searching for answers with their new friends Yonah Firekiller, a 16-year-old...