This volume, 'Spiritual Intelligence and the Nation of Leadership,' by Ghassan Yaqoub, is the third installment in the esteemed Psychological-Educational Library series. It delves deeply into the profound concept of spiritual intelligence, exploring its pivotal role in personal growth, effective leadership, and societal well-being. The book presents a compelling framework for understanding how individuals can harness their spiritual dimensions to foster resilience, ethical decision-making, and innovative leadership. It further examines the interconnectedness between individual spiritual development and the collective progress towards establishing a 'Nation of Leadership,' highlighting practical strategies for cultivating an environment where enlightened guidance and profound self-awareness converge to drive positive transformation.