Star ware : the amateur astronomer's ultimate guide to choosing, buying, and using telescopes and accessories /

nork Harrington, Philip S.
Argitaratua 1994

Star watch : the amateur astronomer's guide to finding, observing, and learning about over 125 celestial objects /

nork Harrington, Philip S.
Argitaratua 2003

Eclipse!: the what, where, when, why, and how guide to watching solar and lunar eclipses /

nork Harrington, Philip S.
Argitaratua 1997