The book "Army and Navy Uniforms and Insignia: How to Identify Rank, Corps, and Service in the United States and Foreign Military and Naval Forces" by Dion Williams is a fairly comprehensive collection of illustrations representing the uniforms, epaulettes, and insignia of various ranks, corps and military services of the United States and other countries of the world. This book describes in detail not only the elements of form and accessories, but also their symbolism and meaning. Thanks to this book, the reader can learn more about the traditions and features of the uniforms of the military and naval forces of different countries, as well as gain more knowledge about the variety of military ranks and units.