Novelists have long been attracted to theatre. Some have pursued success on the stage, but many have sought to combine these worlds, entering theatre through their fiction, setting stages on their novels’ pages, and casting actors, directors, and playwrights as their protagonists. The Routledge Companion to Theatre-Fiction has convened an international community of scholars to explore the remarkable array of novelists from many eras and parts of the world who have created fiction from the stuff of theatre, asking what happens to theatre on the pages of novels, and what happens to novels when they collaborate with theatre. From J. W. Goethe to Louisa May Alcott, Mikhail Bulgakov, Virginia Woolf, and Margaret Atwood, some of history’s most influential novelists have written theatre-fiction, and this Companion discusses many of these figures from new angles. But it also spotlights writers who have received less critical attention, such as Dorothy Leighton, Agustín de Rojas Villandrando, Ronald Firbank, Syed Mustafa Siraj, Li Yu, and Vicente Blasco Ibañez, bringing their work into conversation with a vital field. A valuable resource for students, scholars, and admirers of both theatre and novels, The Routledge Companion to Theatre-Fiction offers a wealth of new perspectives on topics of increasing critical concern, including intermediality, theatricality, antitheatricality, mimesis, diegesis, and performativity.