Chapter 1 - Introduce Xuan Kong Da Gua Date Selection
Chapter 2 - Periods of the Xuan Kong Da Gua System
Chapter 3 - How to encode the 64 hexagrams by period numbers
Chapter 4 - How to encode the 64 hexagrams by element numbers
Chapter 5 - How to contact the 60 sexagenary terms cycle with the 64 hexagrams cycle and the Xuan Kong Da Gua numbers
Chapter 6 - How to combinate the Xuan Kong Da Gua numbers to make a lucky lucky time structure
Chapter 7 - Action steps
The quick reference charts
The books were published by the author