First edition, 1st printing  UNDERSTANDING LASERS, edited by Jeff Hecht. Published 1988 by Radio Shack.

Near Fine condition. Text-block exhibits slight bend; semi-glossy exterior finish intact. Solid binding, square binding; NO loose or ripped pages. NO handwriting. Pages are clean and bright.

Grading is subject to YOUR eyes, backed by my return policy (see below). Regardless of what anyone says, there is no OBJECTIVE standard for grading used books. I have complete CONFIDENCE in my assessment but I am more than happy to accommodate yours. Between us, you are the Book God.

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Thank you kindly