Gloria Skurzynski

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

Twelve-year-old Jack, his younger sister, and the family's teenage foster child Troy go to Yellowstone National Park, where Jack's mother, a wildlife veterinarian, is investigating the report that wolves reintroduced to the park have killed a dog there.

While visiting the Everglades National Park with their parents, the Landon children uncover the mystery of dying manatees and learn important lessons about the natural environment.

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.

Examines the ways humans have measured time throughout history and discusses the various units that are used to keep track of it.

Details Corgan's escape, with Sharla, Ananda, and Cyborg, from Brigand to outerspace.

While she studies condors in the Grand Canyon a scientist's life is threatened, and the strange, hostile, teenage computer whiz in her family's foster care might be involved.

Visiting Zion National Park with his family, twelve-year-old Jack encounters two mysteries, the strange behavior of a band of wild mustangs and the possibly sinister actions of his new foster brother, a Shoshone boy.

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