This practical manual provides essential material for the extensive world-wide community of non-professional astronomers. Every page of the book is alive with t
This practical, hands-on guide is the sailor's essential atlas of the sky. Assuming no prior knowledge, this comprehensive, practical handbook helps the user at
This practical, hands-on guide is the sailor' s essential atlas of the sky. Assuming no prior knowledge, this comprehensive, practical handbook helps the user a
This illustrated reference book provides all one needs to interpret the skies of the Northern Hemisphere by day and by night. 24 full-color and 176 two-color ph