The product is a book titled "Professing Performance: Theatre in the Academy from Philology to Performativity" with the ISBN-13 number 9780521651899. This book explores the evolution of theatre in academic settings, tracing its transformation from a focus on language and text analysis (philology) to a more contemporary emphasis on performance and the experience of live theatre (performativity). It delves into the intersection of academia and the performing arts, offering insights into how the study and practice of theatre have evolved within educational institutions.