Introduction. The Sade Boom; 1. The Guides: Apollinaire, Proust and Praz; 2. From Murphy to Watt: Knotting pathology and theology; 3. Sade's Unreason; 4. Comment Sade: the Sadean Pedagogy of Love in How It Is; 5. Sade's Dark Revolution; 6. Eternally Reversible Catastrophes; Conclusion: Play, Pleasure, and Jouissance.