Daintith, John, and John O. Clark, eds.The Facts on File Dictionary of Physics. 3rd ed. Facts on File, 1999. Concise definitions covering almost everything in the field of physics.
Gamow, George, and Russell Stannard.The New World of Mr Tompkins. Cambridge University Press, 2001. Updated version of a classic introduction for the lay reader to 20th-century discoveries in physics.
Duckworth, H. E.Mass Spectroscopy. Cambridge University Press, 1990. A technique for sorting out atoms in a molecule, often used with infrared spectroscopy.
Macomber, Roger S.NMR Spectroscopy. Harcourt Brace Jovanovich, 1988. A guide to the most common spectroscopic methods used for carbon-, phosphorus-, or hydrogen-containing compounds.