Butler takes a meticulous, immersive approach, offering a blow-by-blow narrative of the trials, tribulations, victories, affairs, and dissolutions of a busy cast of characters and theatrical institutions. Yet the avalanche of detail can be pedantic, and the promise that he will explore the Method’s deep social ramifications mostly disappears as he traces the turmoil in and around the Moscow Art Theatre, and the enthusiastic ferment that pervaded the Group Theatre in New York.