What size pen do you need to do round pen training? I am thinking of downloading a e book from John Lyons called Round Pen: First Steps
An Easy Guide to the Methods of John Lyons
60' is just about perfect. I really like John Lyons too. Although I grab bits and pieces from everyone I have 2 John Lyons books and I find him really easy to follow. He makes that all important common sence really make sence for me when I'm stuck. Good Luck!