Provides an introduction to the planets, stars, comets, and meteors that can be found in the solar system.

Discusses the importance of water to planet Earth, including what animals live in water and where the most beautiful bodies of water are.

Mack looks at five ways the universe could end, and the lessons each scenario reveals about the most important concepts in cosmology. --From publisher descripti

Imagine Alias combined with Star Trek and you a have the idea behind for VANGUARD, a new concept for Star Trek fiction that takes it in a compelling new directi

Presents facts about forests, including the different types of trees, what animals can be found there, and various forests around the world.