Yoga and Pilates are everywhere these days, and it's no wonder. Innumerable medical studies have shown that yoga and Pilates not only help people improve their fitness levels and slim down but also help them to alleviate asthma symptoms, manage arthritis and carpel tunnel pain, decrease cardiovascular risk factors, and improve one's emotional…

"Forbes" recently reported that Americans spent $11 billion in 2008 on self-help books, CDs, seminars, coaching, and stress-management programs--13.6 percent more than they did in 2005. Why the uptick? According to a recent "Publishers Weekly" cover story, conventional publishing industry wisdom holds that personal improvement titles do very well…