Start with high-confidence respiratory therapy books, then narrow by subgenre or adjacent topics.
The COPD Solution
Dawn Lesley Fielding
Positive Options for Living With COPD
Teri Allen
Guide to Pulmonary Fibrosis & Interstitial Lung Diseases
Noah Greenspan PT DPT CCS EMT-B, Robert Kaner MD
Breathe Well and Live Well With COPD
Janet Brindley, Linda Shampan