The great acting teacher never wrote down the final version of his system, says Irina, but it has been passed down orally among actors and teachers in Russia. She acted, taught, and directed in her native Leningrad before migrating to the US in 1976 to continue her career, and brings her insights to English readers. He is a mathematician. This is their third collaborative book on working in theater. Annotation c. Book News, Inc., Portland, OR (booknews.com)