Paul P Sipiera

Describes, in simple text and illustrations, physics and the work of a physicist.

Provides an introduction to comets, covering where they come from, how they travel, their importance to astronomers, as well as their relationship to meteor showers.

Introduces thunderstorms by explaining the weather conditions which cause them and describing the damage which severe storms can cause.

Explains the nature, formation, and death of stars.

Examines what a galaxy is, the different types that exist, their structures, and some facts learned from the study of galaxies.

Describes the training required to be a biologist and the different kinds of jobs available in the field.

Explains how and why the four seasons occur and examines the weather they bring.

Describes the competition between Roald Amundsen and Robert Scott to reach the South Pole, with emphasis on the personalities of the two explorers.

Discusses conditions which cause wildfires, ways to control them, and their damaging as well as beneficial effects. Includes a chapter on the forest fire in Yellowstone National Park in 1988.

Highlights the accomplishments of the twelve missions of the Gemini Program, including the first manned space flight and the first extravehicular activity or walk in space.