The Astrogators Chartbook is a 1980 role-playing game supplement for Traveller published by Judges Guild.
The Astrogators Chartbook is a supplement containing three mapping grid sets as well as a display of a solar system, printed in black using heavy paper stock.
[2] Richard A. Edwards reviewed The Astrogators Chartbook in The Space Gamer No.
[1] Edwards commented that "Considering the cost of photocopying all these maps out of a friend's copy, it is worth buying the book.
The types of grids picked for inclusion are the most current in Traveller usage.