这种表达的问题在于：
(1) 简单的“主语+谓语”结构太多;
(2) "written"和"writer", "The Art of Strategy"和" It"，"set of principles"和" they"为重复用语;
(3) 读起来很单调。
After：In his fifty-six-hundred word classic, The Art of Strategy, Sun Tzu put forth a tightly compressed set of principles for achieving triumph over opposition.
介词结构+同位语+主语+谓语的形式比较好，因为将"Sun Tzu" 放到了最重要成分-主语的位置，其他成分按逻辑排序居次要地位。整个句子很流畅。
