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Are you Greg Walz-Chojnacki, author of the books below?
Ufo's True Mysteries or Hoaxes by Greg Walz-Chojnacki The Birth of Our Universe by Greg Walz-Chojnacki A Star Gazer's Guide by Greg Walz-Chojnacki Pollution in Space by Greg Walz-Chojnacki Comet! by Greg Walz-Chojnacki Index by Greg Walz-Chojnacki Comet! by Greg Walz-Chojnacki The Red Planet by Isaac Asimov Death from Space by Isaac Asimov Planet of Extremes by Isaac Asimov


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