It is a biography of an experiment carried out in Ethiopia for almost a decade cada, starting with the founding of a school, which triggered a sixth rie of research gathered in a book, and which leads to the construction of a city. A timeline running throughout the book reveals how logical and coherent, but in some cases also chaotic and interrupted story evolve. .. 152 p:. Fot, color, 33.5 x24 cm, paperback