When the applause dies down and the stage lights are turned off, the dancer takes a bus home to sit in a tub of hot water to soak aching muscles. In Third Swan from the Left, author Debbie Wilson makes it clear that life in the world of professional dance is not all champagne and tutus. The stories in her memoir offer a synopsis of a rich journey--from beginning dance at age four, to aspiring student, through the performance years, and her travels...