The Planet That Wasn't

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The Planet That Wasn't

First edition
Author	Isaac Asimov
Language	English
Series	Fantasy & Science Fiction essays
Genre	Science
Publisher	Doubleday
Publication date	1976
Publication place	United States
Media type	print (Hardback and Paperback)
ISBN	038511687X
Preceded by	Of Matters Great and Small
Followed by	Quasar, Quasar, Burning Bright

The Planet That Wasn't is a collection of seventeen scientific essays by American writer and scientist Isaac Asimov. It was the twelfth of a series of books collecting essays from The Magazine of Fantasy and Science Fiction. These essays were first published between December 1974 and April 1976. It was first published by Doubleday & Company in 1976.