The dissertation investigates the role of book design in architecture s disciplinary culture since the last decade of the twentieth century, especially in monographs produced by firms internationally famed. Considering that book design has been increasingly used by famous architects as a tool for the construction and display of public identity and attitude, the goal of this work is to analyze whether and how some attributes of professional discourse and even of designs from the architecture offices (who are both authors and the subjects), are incorporated in the formal configuration given to books and, especially, in the graphic language of project presentations in them. The dissertation examines the cultural role and expressive potential of the printed book medium in the context of recent times electronic media and, specifically, in the historical development of relations between the discipline of architecture and its media of diffusion. It presents a methodological reflection on factors, elements and concepts to consider for a design analysis of architecture books. Then, it makes three case studies, the main case being the influential S,M,L,XL (1995), monograph by architect Rem Koolhaas and his Office for Metropolitan Architecture (OMA) made in partnership with graphic designer Bruce Mau. The two other shorter analysis address books inspired by the first case: FARMAX: Excursions in Density, from MVRDV (1998), and Yes is More: an archicomic on architectural evolution (2009), from Bjarke Ingels Group (BIG). Through comparing the similarities and divergences between those three books, the dissertation seeks to highlight relevant aspects of professional and cultural dynamics internal to the architecture discipline in contemporary times.