Provides astronomical data for air navigation. Contains ephemeral data for the year, together with auxiliary tables and graphs, and a brief explanation of the u

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The Time Traveler's Almanac is the largest and most definitive collection of time travel stories ever assembled. Gathered into one volume by intrepid chrononaut

The Air Almanac 2018 contains the astronomical data required for air celestial navigation, making it a necessary resource for all pilots and others attempting t