Introduction to Astronomy   NEW   AstroPortal for Discovering the Universe: From the Stars to the Planets (online access) Neil F Comins; William J Kaufmann © 2009 | First Edition More | Media & Supplements | Go to Site   NEW   Discovering the Essential Universe Neil F. Comins © 2009 | Fourth Edition More | Media & Supplements | Exam & Desk Copies   NEW   Discovering the Universe: From the Stars to the Planets Neil F Comins; William J Kaufmann © 2009 | First Edition More | Media & Supplements | Exam & Desk Copies     AstroPortal for Discovering the Universe (online access) Neil F. Comins; William J. Kaufmann © 2008 | Eighth Edition More | Go to Site     Discovering the Essential Universe Neil F. Comins, University of Maine, Orono © 2006 | Third Edition More | Media & Supplements | Exam & Desk Copies     Discovering the Universe Neil F. Comins; William J. Kaufmann © 2008 | Eighth Edition More | Media & Supplements | Exam & Desk Copies     AstroPortal for Universe Roger A. Freedman © 2008 | Eighth Edition More | Go to Site     Universe: Stars & Galaxies w/Starry Night Enthusiast CD-ROM Roger A. Freedman; William J. Kaufmann © 2008 | Third Edition More | Media & Supplements | Exam & Desk Copies     Universe: The Solar System w/Starry Night Enthusiast CD-ROM Roger A. Freedman; William J. Kaufmann © 2008 | Third Edition More | Media & Supplements | Exam & Desk Copies     Universe Roger Freedman; William J. Kaufmann © 2008 | Eighth Edition More | Media & Supplements | Exam & Desk Copies