David A. J. Seargent

Catalog of Comets, 1983-1993

Catalog of Comets, 1983-1993

2017

Cometography : Volume 6, 1983-1993

2017

Visually Observing Comets

Visually Observing Comets

2017

Weird Worlds Astronomers Universe

2013

Weird Astronomy

2011

Millennium Now

2003

Window to the Light

2003