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Are you John D. Fix, author of the books below?
Astronomy by John D. Fix Astronomy by John D. Fix Astronomy Volume II by John D. Fix Astronomy by John D. Fix Astronomy by John D. Fix Selected Material from Astronomy by John D. Fix Astronomy by John D. Fix ASTRONOMY WITH STARRY NIGHTS PRO CD-ROM V.3.1 by John D. Fix Astronomy by John D. Fix


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