Kayak Paddling is a multi language, several chapters, just a wealth on information for the paddler in you from beginner to advanced. You would find a site like this on most corporate intranet sites, even Lynda but just for general knowledge, Kayak Paddling is incredible. Full flash based so it's just not one image to the next, the kayak actually bobs in the water. Each Chapter has many sub chapters that you can run right through. Explains boat dynamic, parts, nomenclature, even keyboard controls. Just plain Awesome.