Champlin, Harry. Brilliance–Gradation–Sharpness with The Miniature Camera by Harry Champlin.

Camera Craft, February 1938. First edition, 1st printing.  Hardcover in red cloth without dust jacket.  Very good with minor signs of use. 160 pages, including a few pages with ads in the back for Contax cameras, photography books by Marcel Natkin, et al.  An informative handbook for analog film photographers. Chapters on lighting, exposure, exposure meters, filters, lenses, developing, speed, handling the camera, camera shutters and shutter speeds, film, and projection printing. Illustrated with half-tone photographs by the author, his wife Evelyn Champlin, Peter Stackpole, John Swope, and others.