This book explores the architectural philosophy of Frédéric Borel, examining his approach to the symbolic, the imaginary, and the real in contemporary architecture. Through interviews and critical analysis, the work presents Borel's vision of constructing the sensible, featuring his architectural projects and theoretical contributions. The book includes a preface by Alain Pélissier and contributions from Paul Virilio, offering insights into Borel's role in shaping modern French architectural discourse. Published in multiple editions, this volume serves as both a monograph and critical study of one of France's significant contemporary architects.