Recent architectural projects by Carlos Ferrater and his Office of Architecture Barcelona (OAB) Carlos Ferrater, Borja Ferrater With the publication of the book Synchronizing Geometry, in 2006 the baseline of a typical OAB theoretical discourse was established in which a series of projects under development or construction stressed the importance of a theoretical background in the professional practice of architecture. A few years later, this book arrives showing the work carried out and now going into more depth on the direction and approach of Ferrater / OAB. It also analyses and reflects on the career of Carlos Ferrater, as well as the results of the development of a new office involving a group of young architects, including family members. The book explains how from experience and the examination and manipulation of some complex geometries a critical and theoretical vision of reality is established, assuming at all times rigour, social roots, landscape and