In the second sequel to 'Alien', Officer Ripley (Sigourney Weaver) crash-lands on a mining colony planet worked by convicts. While coping with the difficulties of being the only woman on a planet populated by hardened criminals, Ripley comes across evidence that her nemesis, the resilient alien, may have accompanied her there.

Here are the basics: the physics of sailing, the theory of sail, ship handling under sail and power, the diesel engine, electrics and electronic. Here is an introduction to navigation piloting, celestial, and electronic, the Nautical Almanac, the sextant, plotting, and a marvelous section called "Ten Easy Steps to Success with the Sun." This is an easy-to-understand, readable guide to what is needed to go to sea with confidence."