1. Biogenic and biomimetic magnetic nanoparticles and their assemblies / Georgia C. Papaefthymiou -- 2. Controlling the structure and properties of nanostructured magnetic materials produced by depositing gas-phase nanoparticles / Chris Binns -- 3. Time-dependent phenomena in nanoparticle assemblies / Oscar Iglesias -- 4. Elementary excitations in magnetic nanoparticles probed with 57Fe nuclear magnetic resonance and Mossbauer spectroscopy / Michael Fardis, Alexios P. Douvalis, George Diamantopoulos, Ioannis Rabias, Thomas Bakas, Hae Jin Kim, and Georgios Papavassiliou -- 5. Magnetic properties of spinel ferrite nanoparticles : influence of the magnetic structure / Davide Peddis -- 6. FePt films with graded anisotropy for magnetic recording / Th. Speliotis and D. Niarchos -- 7. Fabrication of patterned nanoparticle assemblies via lithography / Gang Chen -- 8. Magnetic behavior of composite nanoparticle assemblies / Marianna Vasilakaki, George Margaris, and Kalliopi N. Trohidou.