“Microbe–Plant Interactions in Health and Disease: Mechanisms of Biocontrol, Pathogenicity, Host Defense, and Soil Microbiome Dynamics” is a hardcover academic volume that explores its subject in depth, the work of Prof. A. Suganyamahalakshmi. Concepts are developed step by step and supported by clear explanations and illustrative examples throughout. Aimed at students, researchers, and academic readers, it is published by Khushbu Publications, New Delhi, India, and released in 2026.