Comins, Neil F., 1951- Discovering the essential universe / Comins, Neil F. - New York : W. H. Freeman, c2001. - ix, 291p. : ill. col. ; 28 cm. Glossary : p. G1 - G14. Index : p. I1 - I17. ISBN: 0716744384 Subjects--Topical Terms: Astronomy.