1, "Thirteen Words" means that there are thirteen chunks about architectural geomantic omen in the book.
2, the main content of the book, from the foundation, examples, schools, hexagrams.
3. The book explains in detail the application of the secrets of dragon, sand, cave and water in architecture.
4. This book is a systematic introduction to both yin and yang.
My personal feeling is that after reading this book, I dare not say that I will become a feng shui master, but I can see various obvious problems in daily life, which have greatly solved many feng shui problems.
6. It is commendable that the price of a book can get many practical Feng Shui tips, so it is really a good thing not to go to an old-school teacher to learn. I suggest you have a look.