COVER -- Contents -- Concepts in Spectroscopy -- Errors, Precision and Accuracy -- Microwave Spectroscopy -- Infrared Absorption Spectroscopy -- Raman Spectroscopy -- Visible Spectrophotometry and Colorimetry -- Ultraviolet Spectroscopy -- Nuclear Magnetic Resonance -- Nuclear Magnetic Double Resonance (NDMR) and INDOR Spectroscopy -- NQR Spectroscopy -- Electron Spin Resonance Spectroscopy -- Mass Spectrometry -- X-Ray Absorption, Diffraction, and Fluorescence Spectroscopy (Crystal Tonography) -- Atomic Absorption Spectroscopy -- Flame Photometry and Flame Infrared Emission (FIRE) -- Nephelometry and Turbidimetry -- Fluorimetry and Phosphorimetry -- Mossbauer Spectroscopy -- Emission Spectroscopy -- Refractometry -- Polarimetry -- Optical Rotatory Dispersion and Circular Dichroism Spectroscopy -- Atomic Fluorescence Spectroscopy (AFS) -- Photoelectron Spectroscopy -- Electronic Spectroscopy -- Reflectance Measurements or Reflectance Spectroscopy.