Adams, Ansel. Natural-Light Photography. Basic Photo 4 by Ansel Adams.

Morgan & Morgan, 1971. Hardcover, red cloth, ex-library with tape stains from previous dust jacket protector, rear flyleaf thinned where card pocket removed, spine label on  dust jacket with new protector. 118 pages with 42 illustrations, most of which are photographs by Ansel Adams.  Thorough explanation of analog photography based on Adams' Zone System and his visualization approach to image making.  Chapters include visualization, use of polarizers, special concerns with photographing landscape, seascape, still and moving water, snow and ice, foliage, deserts, clouds, the moon and moonlight, portraiture, architecture and industry, infrared photography, et al. Explains such terms as light intensity, incident light, reflected light, reflectance, luminance, brightness, brilliancy, transmission, opacity, density, and gamma.  One of a series of six in the Basic Photo Series.