1, Hidden Rules: This book reveals the generation and function principle of hidden rules, analyzes the differences and connections with the formal system, and expounds the operating logic and deep reasons behind them.

2. The Law of Blood Reward: It is a book to explore the operating law of human society. By analyzing historical events and real life cases, the author Wu Si put forward the concept of blood reward method.

3. The Hidden Preface: This book is a compilation of twenty-five articles from two original versions of Wu Si's works on the history of China into seven editions, and five articles other than the original editions have been added.