For centuries, the Divine Name IHVH has stood at the center of sacred scripture—written, revered, and left unspoken. But what if these four letters are more than a name? What if they encode a hidden structure woven into consciousness, creation, and the rhythm of existence itself? In Decoding IHVH: The Lost Science of the Divine Name, William Ubagan explores the profound architecture concealed within the Tetragrammaton. Moving beyond theology into mystical insight, sacred geometry, elemental symbolism, psychology, and ethics, this book reveals how the four letters form a universal pattern: awareness, formation, connection, and manifestation. Through ten illuminating chapters, readers will discover: The numerical mysteries hidden within the Divine Name The geometric structure underlying reality The elemental forces encoded in the four letters The psychological map of consciousness reflected in the Name The meaning of concealment, shadow, and spiritual repair The universal echoes of this pattern across world traditions How to embody the Name through integrity, compassion, and action Blending mysticism with structured reflection, this work invites readers not merely to study the Divine Name—but to live it. The Name may remain ineffable. But its pattern can be aligned with. And its structure can transform the way you see yourself—and the world.