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by 铁林，胡不为

ebook

本书分为：外星人带来的UFO之谜、UFO的来历之谜、飞碟之谜、UFO与人类过招的奇闻怪事、外来人传奇、UFO对地球的改造、外星人与人类的沟通、UFO的未解之谜等十章，对外星生命的神秘现象进行了探索。