A comprehensive booklet explaining the use of the 2102D starfinder, and the many applications it offers in planning navigation work. In addition to description of the starfinder and its basic use, it covers such other extrapolations as: brightness and color of stars, tips on planet identification, choosing optimum star-moon-planet combinations, choosing time between sun lines for running fixes, and even emergency steering with the starfinder! This book could be considered an indispensable companion to the starfinder itself. 1997, 79 pages, SC. SW 0,2 lb