Gloria Skurzynski

..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...

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....

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!

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...

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...

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!

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 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.

An introduction to robotics, focusing on such topics as the robot revolution, bionics, and avionics.