Chūn Yuèxī Wàishǐ 春越溪外史 (“Unofficial Historian of the Spring on the Yuèxī Stream”) is a pseudonym used by the author of Jiànxiá Qí Zhōng Qí Quánzhuàn 劍俠奇中奇全傳 (KR4k0153). No biographical information has been identified for this author in standard Qīng sources or in CBDB. No confident CBDB match exists.