The Respiratory Therapy Equipment 4th Edition Hardcover textbook, authored by Charles E. Spearman, is a comprehensive resource for students and professionals in the field of respiratory therapy. Published by Mosby, Incorporated in 1990 as part of the A to Z series, this textbook covers a wide range of subjects related to instruments and supplies used in respiratory therapy. With 512 illustrated pages, this textbook is suitable for high school, adult education, and vocational training levels, making it a valuable addition to any educational library.