Alejandro Bahamón, an architect, photographer, and editor of architecture books, is the author of numerous publications on contemporary architecture, including Sketch Plan Build, The Magic of Tents, Treehouses, Glass Houses, Houses on the Edge, and (with Ana María Álvarez), Light Color Sound. He lives in Barcelona. Patricia Pérez, a landscape engineer, directs the landscape architecture department at the Diputación de Barcelona and is a professor in the master of landscape architecture program at the Universidad Politécnica de Cataluña.