Ghosts of Gettysburg and Other Hauntings of the East

Ghostly Encounters

Living Earth: Exploring Life on Earth with Science Projects

The Science Behind Wonders of the Water: Exploding Lakes, Ice Circles, and Brinicles

Killer Jobs: History's Most Dangerous Jobs

Threatening Skies: History's Most Dangerous Weather

The Science Behind Wonders of the Sun: Sun Dogs, Lunar Eclipses, and Green Flash

The Worst Volcanic Eruptions of All Time