“Microbiome in Health and Disease: Mechanisms, Biomarkers, and Microbial Therapeutics: From gut dysbiosis and epithelial barrier failure to precision microbiome-based interventions across infectious, metabolic, oncologic, and autoimmune disease” is a hardcover academic volume that explores its subject in depth, the work of Prof. C Aruna. The book pairs rigorous scholarship with a readable style suited to both study and reference. Aimed at students, researchers, and academic readers, it is published by Khushbu Publications, New Delhi, India, and released in 2026.