Alan T. Clark (Clark, Alan T.)

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  Discovering the Universe: Observing Projects Using Starry Night Enthusiast
  by Neil F. Comins, Marcel Bergman, Alan T. Clark, William J. F. Wilson
  Softcover, W H Freeman & Co, ISBN 1429218665 (1-4292-1866-5)
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  Universe Solar System 2nd Edition And Cd And Planisphere And Prev Obs Proj
  by Roger Freedman, Thomas Krause, Edmund Scientific, Alan T. Clark
  Softcover, W H Freeman & Co, ISBN 0716777789 (0-7167-7778-9)
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  Universe Stars & Galaxies 2nd Edition And Cd And Planisphere And Rev Obs Proj
  by Roger Freedman, Thomas Krause, Edmund Scientific, Alan T. Clark
  Softcover, W H Freeman & Co, ISBN 0716777797 (0-7167-7779-7)
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  Universe: Stars and Galaxies, Student Cd,starry Night Cd, Star and Plante Locator, the Secret Life of Stars Reader & Scientific American Reader; Cosmology
  by Roger A. Freedman, William J. Kaufmann, Edmund Scientific, Alan T. Clark
  Hardcover, W H Freeman & Co, ISBN 1429205296 (1-4292-0529-6)
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  Universe: The Solar System, CD, Revised Observing Projects, Star and Planet Locator, Scientific American Reader New Light on the Solar System & Forty Nights to
  by Roger A. Freedman, Scientific American, Edmund Scientific, Alan T. Clark
  Softcover, W H Freeman & Co, ISBN 0716782677 (0-7167-8267-7)
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  Universe, Cd-rom, Revised Observing Projects Cd-rom, Star + Planet Locator, Scientific American Reader; Solar System. + Forty Nights to Knowing the Sky
  by Fred Schaaf, Roger Freedman, Edmund Scientific, Alan T. Clark
  Softcover, W H Freeman & Co, ISBN 0716782251 (0-7167-8225-1)
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  Universe, Cd-rom, Revised Observing Projects Cd-rom, Star + Planet Locator, Scientific American Reader; Cosmology + Short History of the Universe
  by Scientific American, Roger Freedman, Edmund Scientific, Alan T. Clark
  Softcover, W H Freeman & Co, ISBN 0716782197 (0-7167-8219-7)