By W.D. Emanuel. (1966). Fifth Edition. Focal Press. Soft-cover, 4 3/4 x 6 1/2", 80 pages, B&W photos. How to use the Edixaflex Range, Edixamat Flex Range, Edixa Reflex Range, Edixamat Relfex Range, Edixamat Kadett, Edixa Prismat, Edixa Prismaflex, Edixarex..Inside pages clean, but cover show wear.