Understanding the development and practice of power based on an in-depth observation of human psychology has been a part of traditional Chinese thought for thousands of years and is considered a prerequisite for mastering the arts of strategy and leadership. "Thunder in the Sky" presents two secret classics of this ancient Chinese tradition. The commentary by Thomas Cleary the renowned translator of dozens of Asian classics highlights the contemporary application of these teachings.

Che 1-kwŏn. Kodae-kŭndae sasang -- che 2-kwŏn. Hyŏndae sasang.

언론현상과 제문제를 철학적 관점에서 연구 분석한 논저. 도덕:저널리즘과 윤리 가치론:언론과 가치 등모두 9편을 실었다.

2. Saebyŏngnyŏk chʻodang esŏ on pʻyŏnji.

Uju ŭi chuin ŭn nugu in'ga -- Kwahak ch'ŏrhak iran muŏt in'ga (1993) -- Kwahak kisul ŭi ch'ukpok kwa chaeang (Kwahak, ch'ukpok in'ga chaeang in'ga, 2009) -- Munmyŏng ŭi mirae -- Saengmyŏng -- Hwan'gyŏng kwa hwan'gyŏng ch'ŏrhak -- Saengt'ae.

1. Yesul esŏŭi poiji annŭn kŏt -- 2. Mom ŭi chŏngch'i wa munhak ŭi mijongmal.