Best Selling Books by Gloria Skurzynski

Life-threatening accidents keep plaguing the Landon family as they investigate the mysterious deaths of white mustangs at Zion National Park in Utah. Even before they get to the park, Jack Landon knows that Ethan Ingawanup spells trouble. Things start to go awry after Ethan and his sister—two Shoshone kids—are placed in the Landons'' care. The questions begin to mount after Ethan teaches Jack and Ashley the ancient Ghost Dance: Are all the hair-raising events just coincidental? Or is there some strange magic in the dance ritual? The answers await in the raging waters of a slick-rock canyon called The Narrows. The afterword by Lyman Hafen of the Zion Natural History Association discusses white mustangs and public lands in Utah.

In this fast-paced adventure, the Landons trail a wounded wolf in Yellowstone National Park. The park is abuzz with rumors of a wolf attack. Meanwhile, a killer stalks the woods. Unaware of the danger, Jack and Ashley are more concerned about rebellious teenage foster child, Troy Haverson. From the opening moments at Old Faithful through 48 action-packed hours, the tension builds: What is lodged in the wolf''s radio collar? And what is the meaning of the Native American story of Sin-a-Wavi? A heady mix of suspense, adventure, and moments of tenderness lure readers into this story of kids discovering the natural world. The book''s afterword, by Yellowstone''s Michael K. Phillips, explores the park''s Wolf Restoration Program. National Geographic supports K-12 educators with ELA Common Core Resources. Visit www.natgeoed.org/commoncore for more information.

Presents a study of space and the possibility of extraterrestrial civilizations and discusses UFO sightings throughout the twentieth century, crop circles, and other paranormal occurrences.

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?

In 2015, when Darcy Kane moves to another part of town, she discovers that the Animal Control Division is trying to take her dog away and that the most obvious escape is into her neighbor''s Virtual Reality Rent-a-Memory machine.

The Science Club is exploring an old silver mine and in the dark tunnels Caitlin and a friend become lost from the others.

When a cougar attacks a hiker in Mesa Verde National Park, the Landons have another mystery on their hands. Jack and Ashley are used to visiting parks with their wildlife veterinarian mother and photographer father, but this time their hands are full with a foster child called Lucky Deal. As Lucky and Jack become friends, Ashley becomes suspicious: What did Lucky take from the burn site? Who did she call in the night? In a midnight showdown at Spruce Tree House, Jack realizes there''s more to fear than a killer cat. Cliff-Hanger weaves Native American folklore, natural science, and geography into a heart-pounding thriller. The afterword by Will Morris, Chief of Interpretation and Visitor Services at Mesa Verde, outlines the dangers of cougar attacks and the need to protect wild animals. National Geographic supports K-12 educators with ELA Common Core Resources. Visit www.natgeoed.org/commoncore for more information.

Jack, Ashley, and their unreliable new foster sister set out to solve the mystery of why whales are beaching themselves at Acadia National Park. While investigating mysterious strandings of whales in Maine''s coastal Acadia National Park, the Landons are joined by 14-year-old Bindy Callister, a temporary ward. When Jack, Ashley, and Bindy find a baby humpback whale stranded in a tidal pool, Bindy suspects who''s responsible, but she''s too scared to say. Jack and Ashley must get her to talk before more lives are endangered.

..three, two, one... we have liftoff! From the award-winning author of Are We Alone? comes a title to propel young imaginations far into space. This Is Rocket Science explores the past, present, and future of space travel. The compelling text—vetted by NASA scientists—is a combination of history, science, human drama, and future challenges. Readers learn how fireworks in ancient China developed into the fire arrows used by Genghis Khan; we meet Sir Isaac Newton, Jules Verne, H.G. Wells, and learn how their imaginations shaped rocketry. We revisit the era of Sputnik, the satellite that launched a superpower space race, ending with moonwalks and a rendezvous in space. Finally we look forward to the future challenges of Mars and beyond. We also get a sneak peek at new technologies like space elevators, solar sails, ion propulsion, and more.

The fourth book in the exciting High-Tech World series, Know the Score explains how electronic games are created, and provides an inside look at how they work. Lavishly illustrated with full-color photos.

Examines different kinds of electromagnetic waves, including radio waves, microwaves, light, x-rays and gamma rays.

Traces the history of labor unions in the United States, including the first labor strike in Jamestown, the impact of the Great Depression on labor unions, and the challenges unions face today.

When he is suddenly stricken by the rare halving disease, Gustavus meets progressively smaller animals, from dogs to aphids, in his search for help.

An introduction to physical and computer simulations, focusing on the use of wind tunnels, air and automotive safety testing, astronaut training, and current and future uses of images created by computer simulation.

Reviews results from the study of Mars, from Copernicus through the Viking and Pathfinder missions, and speculates on a future human landing.

While on a three-day hike in the mountain wilderness, two thirteen-year-old brothers must use all their skill to survive when they are confronted by an injured drug dealer and are caught in an earthquake.

Grizzly cubs are disappearing from Glacier National Park, and the Landon family must figure out why!

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!

Nine-year-old Caitlin is always trying to help her neighbors, her friends, and her mother, but the results often aren''t what she intends.

A brother and sister in Las Vegas are caught up in a terrorist scheme to damage the Hoover Dam.

Martin doesn''t like coming home to an empty house when his mother goes back to work.

While taking one last driving tour of Wyoming before moving out of state, eleven-year-old Angela accompanies her beloved seventy-eight-year-old great-aunt Hil to Yellowstone National Park, where Hil''s strange behavior suggests she may be losing her sanity.

Jack and Ashley investigate why young grizzly bears are disappearing from Glacier National Park.

Collection contains manuscripts, editor''s comments, fan mail, copies of books, notes, correspondence, book covers, photographs, slides, research material, (including books and periodicals) and newspaper articles collected or created by Gloria Skurzynski between circa 1980 and 2006.

The inner workings of the postal system are revealed as the author traces the path of a little girl''s letter from her home in New Mexico to her cousin''s home in Utah. Includes tips on how to address an envelope.

A seven-year-old Brazilian boy catches a one-legged imp in a bottle to stop him from doing any more mischief.