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His project culminated in an auto-biography, piles of drafts for three acting manuals, a myriad of unpublished notes, lesson plans and jottings. However, he never deemed his System or his books complete; they remain dynamic, experimental explorations of the unique communicative power of theatre. At his death, he had finished only two volumes:
What is Life in Art and the first volume of An Actor’s Work on Himself aka An Actor Prepares.