David a J Seargent

David a J Seargent is the author of books such as The Greatest Comets In History.

Books by David a J Seargent

The Greatest Comets In History

The Greatest Comets In History

Weird Astronomy

Weird Astronomy

Weird Weather

Weird Weather

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Weird Comets and Asteroids

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Comets

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Plurality and Continuity

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The Greatest Comets In History- Broom Stars and Celestial Scimitars

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Weird Worlds

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Weird Universe