Reconstructing the World of Zarathustra: An Evidence-Based Exploration This meticulously researched volume offers a compelling, evidence-based study of the origins of Zoroastrianism, centered on the lives of Zarathustra Spitama and Kavi Vishtaspa. Through an integrated analysis of archaeological findings, ancient texts, and linguistic patterns, the book reconstructs the cultural and temporal setting in which one of history’s most influential spiritual reformers emerged. Rather than proposing new theories, this work synthesizes decades of published academic research into a coherent narrative. It brings together diverse threads of Indo-Iranian prehistory, the often-complex academic fields of linguistics and archaeology. A rich contextual mosaic was formed with the Bronze Age Steppe nomadic herders and settled communities of agriculturists in Central Asia, the Iranian Plateau and South Asia. Readers are invited to examine how language, geography, and social structure converged to shape Zarathustra’s teachings. Accessible yet rigorous, this book is designed for both intellectually curious readers and academic specialists. It opens the door to understanding Zoroastrianism not only as a faith, but as a product of its time—a time now increasingly revealed through the patient work of historians, archaeologists, and philologists. This is not a speculative or mythologized account, but a thoughtful, well-documented reconstruction grounded in the scholarly consensus. It is a guide for those who seek to understand not just what Zarathustra taught, but where and when he taught it—and why that matters. Figure images were created through a collaborative process. The author played a creative, directive, and research-based role in shaping its content. It is not the product of autonomous AI, but a co-created visual informed by the author’s input. The author holds all rights to the final illustrations .