不明飛行體

地圖上消失的51區 = 美國機密與外星人真相大解碼 / by: (Electronic resources)

外星守護者 / by: (Language materials, printed)

幽浮光年 / by: (Language materials, printed)

天際訪客謎團 / by: (Language materials, printed)

神秘的外星訪客 = = Visitor from a secret planet : UFO探索 / by: (Language materials, printed)

外星人事件簿 = = The incidents of aliens / by: (Language materials, printed)

地球守護者 / by: (Language materials, printed)

外星人之謎 = = The mystery of aliens / by: (Language materials, printed)

神秘UFO未解之謎 / by: (Language materials, printed)

神祕生物未解之謎 = = The mystery of animals / by: (Language materials, printed)

揭開幽浮之謎 : = 21世紀宇宙權威論 / by: (Language materials, printed)

外星人就在你身邊? : = 擄人的真相 / by: (Language materials, printed)

UFO : = 外星來的訪客 / by: (Language materials, printed)

星際訪客飛碟 / by: (Language materials, printed)

外星侵略者 : = 與幽浮有關的真實故事 / by: (Language materials, printed)

外星人之謎 = = The mystery of aliens / by: (Language materials, printed)

怪怪外星人百科 : = 到底有沒有幽浮和外星人? / by: (Language materials, printed)

不可思議外星人神祕檔案 = = Alien mystical files / by: (Language materials, printed)

超酷炫外星偵查大揭密 / by: (Language materials, printed)

古中國正史中的UFO事件 / by: (Language materials, printed)

地球守護者 : = 地球實驗的阿卡西紀錄 / by: (Language materials, printed)

坐看井外 觀星尋碟 = = The Journal of UFO research : 我的幽浮探索 / by: (Language materials, printed)

外星生命大揭密 / by: (Language materials, printed)

揭密UFO = 人類準備好接觸外星人了嗎? / by: (Electronic resources)

外星人檔案未解之謎 = Alien mystical files / by: (Electronic resources)

外星人傳奇 .. 首部,. 不明飛行物與逆向工程 by: (Electronic resources)

超神祕X檔案 : = 外星人就在你身邊 / by: (Language materials, printed)

飛碟 : = 全球國家機密檔案大公開 / by: (Language materials, printed)

UFO最新真相 = 原來,飛碟才是諾亞方舟 / by: (Electronic resources)

地球.外星人中繼站 / by: (Language materials, printed)

入侵者 : = 考坡里森林奇遇 / by: (Language materials, printed)

外星人催眠術 : = E. T. 擄人白皮書 / by: (Language materials, printed)