This book documents a unique experience of a journey by Álvaro Siza Vieira, Vincent Mentzel and Kenneth Frampton to the early work of Siza in Porto. This book includes a vast collection of descriptions, drawings and photographs by Vincent Mentzel about the project, as well as a writing by Siza Vieira himself and other texts. The book also includes an analysis of the bathers’ course by Pedro Vieira de Almeida, as well as testimonies of the architects Diogo Seixas Lopes, Manuel Aires Mateus, Michel Toussaint, Joao Manoel Gomes Da Silva, Luís Urbano, Diogo Seixas Lopes and Pedro Vieira de Almeida. Álvaro Siza was the 1992 winner of The Pritzker Architecture Prize.