Upon Foucault’s death in 1984, Deleuze began reading the whole corpus of Foucault's textes, in order to write a book. The seminar that Deleuze gave at the University of Paris-VIII functioned as a kind of laboratory in which Deleuze experimented with the ideas and concepts he was developing. As it turned out, the book he wrote at the end of the seminar compressed in a few pages the reflections he had widely developed throughout the seminar, was hard to understand, or else it was so personal to be defined "a metaphysical fiction". The online publication (2011) of the course lectures made a better comprehension of Deleuze's interpretation of Foucault: it is amazing to see how accurate Deleuze was in his interpretation of Foucault’s thinking, ...