Austin Richards takes readers on a visual tour of the electromagnetic spectrum beyond the range of human sight, using imaging technology as the means to 'see' invisible light. Dozens of colorful images and clear, concise descriptions make this an intriguing, accessible technical book. Richards explains the light spectrum, including visible light, and describes the advanced imaging technologies that enable humans to synthesize our own version of 'alien' vision at different wavelengths, with applications ranging from fire fighting and law enforcement to botany and medicine.

"This clearly written, humorous and outstandingly illustrated non-technical tour of the spectrum of light, from gamma rays to radio waves, is quite enlightening and a pleasure to read."

--J. C. Rosenberg, OPN July 2003