This volume is a revision aid in a subject which is compulsory for RYA sailing courses, including Day Skipper, Yachtmaster & the International Certificate of Competence exams, & is essential knowledge for anyone who goes to sea. It provides questions & expanded explanatory answers for each section of the Collision Rules (right of way, lights & shapes, sound signals, & distress signals), & concludes with a mixed bag of questions to consolidate knowledge. The volume is lively in its presentation & is illustrated in colour. It is designed to accompany & complement Learning the Rule of the Road” (second edition).”