A former Olympic Star helmsman shows you how to tune your keelboat or sportsboat, execute manoeuvres and tame the spinnaker.By: Glyn CharlesThis book is perfect for dinghy sailors moving up to keelboats; yachtsmen trying their hand at something more lively; and indeed anyone trying to get to the front of the fleet. A former Olympic Star helmsman shows you how to tune your rig, execute manoeuvres and tame the spinnaker.