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Wangqijing 望氣經 "Book of the observation of Qi" is a text on prognostication by Qi 氣 ("energy", "ether") written during the Tang period 唐 (618-907) by Shao E 邵諤.
It is not included in ancient bibliographies. The anonymous Wangqijing listed in the Suishu jingji zhi 隋書•經籍志 from the early Tang period must be a different text than Shao E's book. A text called Za wangqi jing 雜望氣經 is listed in the bibliographical chapter Tongzhi yiwen lüe 通志•藝文略.
The text is found in the series Shuofu 說郛.