While their parents study why wolverines are disappearing from Alaska's Denali National Park, Jack and Ashley are stranded in a remote area with their mysterious new foster brother when a hit man's bullet triggers an avalanche.

DIVWhile on vacation at a dude ranch, the Casebusters chase a horse thief/divDIV Sean and Brian Quinn can’t think of anywhere cooler than the Austin Dude Ranch. Although neither has ever ridden a horse, they’re positive that playing cowboy is going to become their favorite pastime. But before they can learn to rope and ride, they’re going to have to practice their other favorite hobby: solving mysteries./divDIV /divDIVA racehorse has been stolen from the neighboring farm, and the ranch’s owners think that their horses may be the next to disappear. To find the missing pony, Brian and Sean will have to confront something even more scary than horse thieves: the ghost of the crazy old gold prospector who is said to haunt a nearby abandoned mine. Whether the culprit is living or dead, Brian and Sean must catch him faster than they can say, “Giddy-up!”/div

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.

Who was that man in the Park Service uniform who brought Jack and Ashley Landon into the wilds of Alaska’s Denali National Park along with their friend Nicky Milano? Whoever he was, he has given them a dogsled ride to certain death unless somebody finds them soon. Their troubles are about to get a whole heap deeper as the first rumblings of an avalanche turn into a deafening roar!

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

This book gives a brief history and a description of the geographical highlights of Yosemite National Park.

A tour through Wyoming's Grand Teton National Park introduces the park's flora, fauna, topography, history, weather, and attractions. Menor's Ferry, Mount Moran, The Old Patriarch, and Shoshone influences are all discussed. Additional features to aid in comprehension include a table of contents, informative captions and sidebars, detailed maps, map legends, a phonetic glossary, sources for further research, and an index.