Foreword (Rachel Armstrong) Introduction (Petra Gruber, Barbara Imhof) Aspects of Life (Petra Gruber, Angelo Vermeulen) Growing and architecture (Petra Gruber, Waltraut Hoheneder) Architectural Visions (GrAB team) Methodology (Julian Vincent, Angelo Vermeulen) Experimentation (GrAB team): - Growth principles - Material Systems - Metabolic Systems - Local 3D printers based on biological principles Reflections on the future (edited by Barbara Imhof, conversation between Julian Vincent, Petra Gruber, Rachel Armstrong, Angelo Vermeulen) Manifesto (GrAB team) Acknowledgements Biographies of authors References