Book excerpt: A learning guide to the collision regulations where every rule is presented on one page and the interpretations are presented on the face page. Amply illustrated with computer-modelled drawings which give true-to-life views of the situation. Covers Steering and Sailing Rules, Lights and Shapes, Sound Signals and Exemptions, plus the Annexes. And a plastic sheet with all the lights on it and leaflet with 600 questions.