Many large North American Cities such as New York, Philadelphia, Toronto, Quebec have been haunted by the threat of Legionaires' Disease. We MUST have Safer Cities. Whether you are a Building Manager, a Cooling Tower Operator, a Student or someone concerned about safety in general this book is for you. How can you implement Preventive Procedures when knowing little about Legionnaires' Disease? Before engaging yourself in any action it would be a good idea to read this Book. Dealing with Legionnaires' Disease requires knowledge which comes from Medicine, Microbiology, Chemistry, Mechanics, Law and other field of studies. In this Book about a hundred pages long, the Author generously shares his knowledge and experience of nearly 25 years spent in the field of Cooling Towers. Subjects like Means by which a source of transmission is identified, Insurance coverage and Professional Liability, Legionella and its Environment, Cooling Tower System Design, Water Treatment and Maintenance Programs, etc. are presented in a dynamic form easy to understand. The Author is asking you to Shift the Paradigm; which means establishing a Multi-Disciplinary team to manage the Risk of transmission of L.D. You may ask: "Why are doing all of this? It is estimated that each year there are between 8000 and 18000 cases of LD in the United States only and more than 10% of the people who contract LD will die. This represents a ton of suffering. It can be avoided. You can do it. You work for Green Buildings and Energy Savings? You can work for Safer Buildings too. A Life and Death Battle against Legionella is ongoing. Join the ranks Learn and Serve Public Health For Safer Hotels, Safer Buildings and Safer Cities, Shift the Paradigm