God, the Invisible King is an early 20th-century religious treatise by H. G. Wells that critiques traditional Christianity and presents a personal, emotionally accessible concept of God rooted in human experience. Wells rejects complex doctrines like the Trinity and argues that true faith arises from moral purpose and individual spiritual insight rather than ecclesiastical authority. In the preface, he warns that his views may be shocking to orthodox believers, distinguishing his vision of God not as a distant Creator but as a redeemer embedded in human emotion and ethical struggle. He seeks to liberate religion from institutional constraints and restore it as a genuine force for personal growth and meaning. The book serves as a manifesto for a reimagined religious outlook suited to the modern age.