Cosmology

Pioneer Saturn Encounter

Einstein and the universe: A popular exposition of the famous theory

The uses of astronomy

The Evolution of Worlds

The Study of Astronomy

Worlds in the making: The evolution of the universe

Voyage To Eternity

The Moon: A Full Description and Map of its Principal Physical Features

Meteoric astronomy: A treatise on shooting-stars, fire-balls, and aerolites

Final Theory Of Everything

Learned: Tico Brahæ His Astronomicall Coniectur of the New and Much Admired

Mars: Our New Home? – National Plan to Conquer the Red Planet (Official Strategies of NASA & U.S. Congress)

The Discovery of a World in the Moone. Or, A Discovrse Tending To Prove That 'Tis Probable There May Be Another Habitable World In That Planet

Interstellar Tours

Dawn

The Sidereal Messenger of Galileo Galilei

PURPOSE-GUIDED UNIVERSE – eBook

Astronomical Curiosities: Facts and Fallacies

Astronomy: The Science of the Heavenly Bodies

A Short History of Astronomy