- Zhang Yimou and the Principle of the small cirlce by Rien Bul
- Just Weng Shun Kuen by Rien Bul
- Tale of the Snake and Crane by Rien Bul
- Applying the Man Sau by Rien Bul
- Sun Tzu and the Philosophy Behind Wudang Weng Shung Kuen by Rien Bul
- The Bong Sau by Rien Bul
- Controlling Time by Rien Bul
- Importance of correct position by Rien Bul
- Footwork by Rien Bul
- The Three stages of Combat by Rien Bul
- Simultaneous attack and defense explained correctly by Rien Bul
- Formlessness by Rien Bul
- Preasure points in Wudang Weng Shun Kuen by Rien Bul
- The Eye of the Phoenix by Rien Bul
- Fa Jing by Rien Bul
- Fong Shil Ching Fact and Fiction by Rien Bul