This book will introduce you to the different types of rowing machines and the benefits or rowing machine workouts. You will find out how to identify your rowing goals, how to use the machines and the steps to an effective workout for both beginners and athletes. The book ends with a list of Dos and Don'ts for your rowing workouts.
This gives a nice overview of how to row (in words). There are sample workouts that go from beginner to advanced, with suggestions on how to ramp up the exercise. Nothing is limited to one type of rower
This article provides a good overview of rowing. The benefits of a repeated exercise program. A form of exercise the can be done individually or as a group.