The book, “Chemistry of Ozone in Water and Wastewater Treatment – From Basics Principles to Application” was recommended by Professor Martin Jekel fo the Technical University of Berlin in the industry journal Ozone News published by the International Ozone Association. Ozone has a long history in the field of water treatment covering over a century of application. The book is authored by Clemen von Sonntag and Urs von Gunten. Both authors are widely published researchers in the ozone water treatment literature. The book includes the history of ozone, its properties and reactions, and applications. It also includes and extensive reference list of 900 citations along with a detailed index. the book was recommended for students and professionals working int eh field of ozone water treatment.