Chapter 1 - Fully Condensed Polyhedral OligoSilsesquioxanes (POSS) : From Synthesis to Application - Paul D. Lickiss and Frank Rataboul Chapter 2 - Silyl Radicals in Chemical Synthesis - Chryssostomos Chatgilialoglu and Vitaliy I. Timokhin Chapter 3 - Advances in the Coordination Chemistry of Amidinate and Guanidinate Ligands - Frank T. Edelmann Chapter 4 - Equilibrium, Structural and Biological Activity Studies on Organotin (IV) n+ Complexes - László Nagy, Lorenzo Pellerito, Tiziana Fiore, Enikõ Nagy, Claudia Pellerito, Attila Szorcsik and Michelangelo Scopelliti