First published in 1971, Roy Steven's Embouchure Self-Analysis and The Stevens-Costello Embouchure Technique (Complete) is considered to be the authoritative text on embouchure analysis incorporating physical laws, scientific principles and muscular physiology in establishing a consistent embouchure for the brass player. This revised second edition by the original editor, William Moriarity, reflects the timelessness and relevance of this book.
It is highly recommended to use the workbook with the video demonstrations and audio recordings at the Roy Stevens tribute www.roystevens.org