Preface The History of Melanosome Research (Jan Borovansky) Classical and non-classical melanocytes in vertebrates (Sophie Colombo, Irina Berlin, Veronique Delmas, and Lionel Larue) The Biological Chemistry of ortho-Quinones (Patrick A. Riley, Christopher A. Ramsden, and Edward J. Land) Biosynthesis of Melanins (Jose Carlos Garcia-Borron, and M. Conchita Olivares Sanchez) Inhibitors and Enhancers of Melanogenesis (Alain Taieb, Muriel Cario-Andre, Stefania Briganti, and Mauro Picardo) Structure of Melanins (Shosuke Ito, Kazumasa Wakamatsu, Marco d Ischia, Alessandra Napolitano, and Alessandro Pezzella) Properties and Functions of Ocular Melanins and Melanosomes (Malgorzata Rozanowska) The biological role of neuromelanin in the human brain and it's importance in Parkinson's disease (K. L. Double, W. Maruyama, M. Naoi, P. M. Gerlach and P. Riederer) The Biogenesis of Melanosomes (Cedric Delevoye, Francesca Giordano, Michael S. Marks, and Graca Raposo) The Transport and Distribution of Melanosomes (Mireille Van Gele and Jo Lambert) Genetics of Melanosome Structure and Function (Vincent J. Hearing) Physiological and Pathological Functions of Melanosomes (Jan Borovansky, Patrick A. Riley) Dysplastic Naevi as Precursor Melanoma Lesions (Stanislav Pavel, Nico P.M. Smit, Karel Pizinger) Index