A biography of the seaman and explorer who helped settle Jamestown and who charted and sailed the New England coastline for England.

A biography of the Spaniard whose expedition in search of gold in the American Southwest proved to be valuable exploration of this area.

Highlights techniques of warfare from Roman times to the present day.

Examines the physical characteristics and habits of animals that prefer to forage at night or in dark places.

A brief examination in text and illustration of reports of UFO sightings with some possible explanations about the origin and purpose of these mysterious objects.

Describes the physical characteristics, habits, and natural habitat of a variety of apes and discusses well-known naturalists who have studied them.

A biography of the man who explored the St. Lawrence, Ohio, Illinois, and Mississippi rivers, and who claimed America's heartland for King Louis XIV and France.

Examines the processes and features of the sun, including solar eclipses, sunspot cycles, coronal mass ejections, and solar wind. Also discusses scientific models and technology used to study the sun.

Examines the formation and evolution of stars and discusses how astronomers study this process.