As much as we may enjoy Swan Lake or The Nutcracker, for many of us ballet is almost literally a foreign language. It communicates through movement, not words, and its history lies almost entirely abroad-in Russia, Italy, and France. In Celestial Bodies, dance critic Laura Jacobs makes the foreign familiar, providing a lively, poetic, and uniquely accessible introduction to the world of classical dance. Combining history, interviews with dancers, technical definitions,...