Tom Stoppard's thrilling comic espionage story of a female British spymaster, examining motherhood, quantum mechanics, and the dualities of personality and perception

Tom Stoppard is the author of such seminal works as Rosencrantz and Guildenstern Are Dead, Jumpers, The Real Thing, Arcadia, The Invention of Love, and the trilogy The Coast of Utopia. His screen credits include Parade's End, Shakespeare in Love, Enigma, Empire of the Sun, and Anna Karenina.