Ewing’s Analytical Instrumentation Handbook, Fourth Edition, edited by Nelu Grinberg, is a comprehensive resource for professionals in analytical chemistry seeking foundational knowledge of specific instrumental techniques. This edition offers a detailed introduction to various techniques and delves into the theoretical and methodological aspects, providing readers with a solid understanding of how these tools are used in research and industry. The book has been significantly updated and expanded, incorporating recent advancements and key references from current literature. A new chapter on process analytical technology further enriches the content, making it an essential tool for both beginners and experienced practitioners alike.