Asthma is one of the most prevalent respiratory diseases, affecting ~8% of the world's population. Given the huge impact of the condition, and the vast amount of progress that has been made in the field in the last 10 years, a Monograph on the topic is now timely. Opening with a section on pathophysiology, then moving on to cover diagnosis and assessment, therapeutic approaches, comorbidities and special circumstances, this Monograph provides an up-to-date overview of the current understanding of asthma mechanisms and how to deliver care for people with asthma.