For single and twin screw power or sail. Covers all aspects of boat handling, docklines-how to run them and tie them, docking and undocking, effect of wind and currents, steering, "walking" the boat and maneuvering with no engine. The anchoring section will de-mystify the whole subject and show you types of anchors, how to select them, chain and line rode, selecting an anchorage, setting the anchor, dragging surge, retrieval and stowing. This DVD even has a section on man-overboard featuring the new lifesling.