“The Gut Microbiome in Systemic Disease and Therapy: Mechanisms, Dysbiosis, and Personalized Interventions Across Inflammation, Cancer, Metabolic, and Neuropsychiatric Disorders” offers a thorough, well-structured treatment of its subject in depth, the work of Dr. Gutti Ravi Kumar. 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.