Cosmology

101 Mysteries of the Cosmos

On an Inversion of Ideas as to the Structure of the Universe

The Copernicus of Antiquity (Aristarchus of Samos)

The Sacred Code

Star Born

Alien Worlds

An Original Theory or New Hypothesis of the Universe

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

The Practical Astronomer

The New Human

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

The Evolution of Worlds

Celestial Beings

A Field Book of the Stars

Reasonable Alternatives to the Two Big Problems in 20th-Century Physics

Pleasures of the telescope

Astronomical Discovery

Half-Hours with the Stars

Zetetic astronomy: Earth not a globe

The Warlord of Mars