Basic Soap Making: All the Skills and Tools You Need to Get Started, by Elizabeth Letcavage and Patsy Buck, is free in the Kindle store, courtesy of publisher Stackpole.
Book Description
This book features hundreds of step-by-step, full-color photographs that illustrate exactly how to make cold-process soap. It contains instructions on molding soap, cutting bars, creating original recipes, packaging gifts, and more. It includes a chapter on constructing a soap mold, liner, and cutter at home. Readers will learn the basic four-oil soap recipe, which can then be enhanced with additives such as oatmeal, fragrance oils, colored swirls, two-tone nuggets, and moisturizing butters.