张岩

Zhang Yan is an author about whom little public information is available. Within the collection, ten titles fall under this name, spanning history, military affairs, social psychology, management practice, and software learning. History is the most concentrated area: works such as The Eastern Jin: A Century of Struggle Between Imperial Power and Powerful Clans and The Sixteen Kingdoms: Great Division and Great Integration focus on dynastic change and institutional evolution, while the Quick Sketches of Wei and Jin series, including its sequel on the Sixteen Kingdoms, addresses general readers in a lively, accessible style that makes the tangled history of the Wei, Jin, and Sixteen Kingdoms periods easier to follow. On Strategy and Deterrence reflects an interest in military theory, and An Introduction to Dramaturgy shows engagement with theater creation. In social psychology and management, works such as The Psychology of Speaking and writing-format guides for corporate documents combine popular knowledge with practical daily use, giving the author's output a notably cross-disciplinary character.