Na compilação deste livro, o autor seguiu a prática de construtor e professor universitário, e adotou os métodos de trabalho e as regras dos técnicos, que se distinguem na construção mecânica, quando
As a formidable critic of some of societys most cherished institutions, such as compulsory education and organised religion, Ivan Illich has attracted world attention. His commitment to a radical humanism against conventional institutions and esatablished ideas of social virtue make for compelling, and convincing, reading. This book brings together for the first time many of his lectures and articles bearing out Illichs invigorating challanges to the status quo.