“Microbiome in Health and Disease: Cross-System Interactions Across Oral, Gut, Reproductive, and Endocrine Health” offers a thorough, well-structured treatment of its subject in depth, the work of Dr. Chirag Balyan. It balances foundational theory with practical, real-world application, making complex ideas accessible without losing depth. Aimed at students, researchers, and academic readers, it is published by Khushbu Publications, New Delhi, India, and released in 2026.