1. How the whole thing began, or, The logic path towards a discovery -- 2. In-vitro and in-vivo biological behaviour of micro and nanoparticles -- 3. Clinical cases : lung, blood, liver, kidney, digestive system, vessels, sperm -- 4. Six "Detective stories" -- 5. War and nanoparticles -- 6. Nanoparticles in the environment and working places -- 7. Nanoparticles in food, cosmetics and other products -- 8. New York 9/11 -- 9. The future and prevention criteria.