This work investigates the fundamental question of God's existence and explores the nature of His divine attributes. Charnock, a prominent 17th-century theologian, draws upon scripture, reason, and philosophical arguments to construct a comprehensive defense of monotheism. The book systematically examines God's immutability, eternity, omniscience, omnipotence, and other essential characteristics, aiming to establish a robust understanding of the divine being.

Stephen Charnock's "Discourses upon the Existence and Attributes of God" is a foundational text within Reformed theology, often cited for its rigorous intellectual approach to understanding the divine. Scholars and theologians typically regard it as a comprehensive and systematic exposition of Christian doctrine concerning God's nature. The work's detailed examination of God's attributes is considered a significant contribution to apologetics and systematic theology, providing a robust framework for believers and a challenging intellectual engagement for inquirers.