“Microbiome in Health and Disease: Mechanisms, Host Interactions, and Microbial Therapeutics Across Body Sites and Disease States” is a hardcover academic volume that explores its subject in depth, the work of Dr. Bonthagorla Venkata Koteswara Rao. 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.