A crater expedition opens into a history of worlds. In the American Southwest, an unnamed narrator joins the selenographer Professor Thompson in investigating Crater Mound, where an encounter with a mysterious visitor brings them into contact with a manuscript whose claims reach far beyond Earth. Scientific enquiry becomes the gateway to an inhabited planet, an advanced civilisation and a past in which the Moon's origins are bound to a far older planetary story. The manuscript recounts the world of Magong through P'an-ku, a ruler-scientist confronting the consequences of interplanetary conflict. Rather than treating extraterrestrial life as a distant curiosity, the novel imagines planetary evolution, travel between worlds and imperial warfare as parts of a single speculative history. Detailed pseudo-scientific reasoning sits beside Chinese and Buddhist imagery, while religious interpretations of advanced knowledge complicate the boundary between myth and explanation. Questions about lunar and terrestrial craters expand into questions about how civilisations understand their beginnings. Its nested first-person structure gives this early science-fiction adventure an unusual double perspective: a modern investigation frames an ancient account shaped by discovery, conquest and the uncertain survival of knowledge. The tension lies not only in war between planets, but in the ways knowledge may be preserved, transformed or corrupted across immense spans of time. Combining moon exploration, lost-race fiction and extraterrestrial speculation, the narrative repeatedly tests where evidence ends and inherited belief begins. This book was out of print for decades and is now republished by Alpha Editions. It has been restored for today's and future generations. This edition is not just a reprint - it's a collector's item and a cultural treasure.
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