Modular COFs for Water Purification, Energy, and Storage by Rahul Banerjee is a groundbreaking book that explores the innovative use of Covalent Organic Frameworks (COFs) for solving the global challenges of water purification and energy storage. COFs are highly ordered, crystalline, and porous materials that have emerged as an exciting class of materials for applications in a wide range of fields, including energy, catalysis, and biomedical research. This book provides a comprehensive overview of the current state-of-the-art in COFs and their potential applications in water purification, energy storage, and conversion. The author, Rahul Banerjee, is a leading expert in the field of COFs and has contributed extensively to the development and application of COFs in various areas of research. The book begins by introducing the reader to the fundamentals of COFs, their synthesis, and characterization techniques. It then goes on to explore the potential of COFs for water purification, including the removal of organic pollutants, heavy metals, and other contaminants. The book also discusses the use of COFs in energy storage and conversion, including applications in batteries, supercapacitors, and fuel cells. Throughout the book, the author provides a detailed analysis of the challenges and opportunities in the use of COFs, along with strategies for overcoming these challenges. The book is an essential reference for researchers, scientists, and engineers working in the fields of materials science, chemistry, energy, and water purification.