A 1948 promotional booklet from Botany Mills of Passaic, New Jersey, written as an introduction to wool for general readers, especially students. It covers the history of sheep raising, world and U.S. wool production, sheep breeds, wool quality, and the Wool Products Labeling Act with its definitions of wool, reprocessed, reused and virgin wool. It also explains wool's properties (resilience, insulation, absorbency), the steps from shearing through scouring, carding, spinning, weaving, fulling, dyeing and finishing, and the difference between woolens and worsteds. Illustrated with engravings of sheep and mill photographs, with Botany brand advertising throughout.