“Microbiome in Health and Disease: From Host–Microbe Interactions to Clinical Translation Across Organs, Diseases, and Therapeutics” offers a thorough, well-structured treatment of its subject in depth, the work of Dr. K. Krishnaveni Muthusamy. Each chapter builds on the last, guiding readers from fundamentals through to more advanced material. Aimed at students, researchers, and academic readers, it is published by Khushbu Publications, New Delhi, India, and released in 2026.