The book provides a state of the art description of the synthetic tools to precisely control various aspects of macromolecular structure including chain composition, microstructure, functionality and topology as well as modern characterization techniques at molecular and macroscopic level for various properties of well-defined (co)polymers in solution, bulk and at surfaces. The book addresses also the correlation of molecular structure with macroscopic properties additionally affected by processing. Finally, some emerging applications for the (co)polymers are highlighted.