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'''X Stands for Unknown''' is a non-fiction book by [[Isaac Asimov]]. The collection of science essays was first published by Doubleday in 1984. |
'''X Stands for Unknown''' is a non-fiction book by [[Isaac Asimov]]. The collection of science essays was first published by Doubleday in 1984. |
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Revision as of 12:44, 3 May 2017
X Stands for Unknown is a non-fiction book by Isaac Asimov. The collection of science essays was first published by Doubleday in 1984.