The North U Cruising CD puts cruising technique in full motion. The CD covers the same topics as the workbook but in a visual multi-media format with fewer words and more visuals. You will see how changes in sail trim change sailing performance and understand why anchor scope is critical to holding. The CD will put you on board at night and show you how to decipher lights in your path. YouÆll be caught in a storm and see how to sail through it. YouÆll learn how to prepare your boat your crew and yourself for cruising in safety and comfort. Runs on PC and Mac.