This book presents the key spectral techniques in bioinorganics, detailing their role in the study of bioinorganic systems. After an introduction on the importance and aims, it explores: - NMR: Structure and interactions of metal complexes.- UV-Visible Spectroscopy: Electronic properties of complexes.- Infrared spectroscopy: Vibrations of functional groups.- Raman spectroscopy: vibrational modes and metal interactions.- X-ray Absorption Spectroscopy: Local structure of metal centers.- EPR: Analysis of paramagnetic centers.Each technique is illustrated by case studies, followed by a glossary and a bibliography for further reading.