I have been asked by a couple of different people about the Wu families "Gold Book" and if I had read it or knew of it's availability.
I go to the website of my old school from time to time, to see how the people are doing and catch up on any news.
Here is a direct cut and paste from that site.
Master Wu Kung Yi's younger brother Master Wu Kung Cho was an expert in many facets of Wu Style Tai Chi Chuan such as Chi Kung (breathing techniques). He is especially known as being the first to write a book on Wu style Tai Chi Chuan. This book initially published in 1935 is a classic and has been published again in 1980 spreading the Wu family tradition throughout the world and will be published in English for the first time by the end of 2003. The content of the 'Gold Book' includes all the Wu Family Tai Chi Chuan secrets known and transmitted to each generation only. This information will now be freely passed on to all Wu Style Tai Chi practitioners worldwide. The book is scheduled to be available at the end of 2003.
So...
There it is.
I will be contacting my disciple friends from the Wu family and finding out how I go about getting my copy of this book.
If anyone is interested just let me know, I will then post their answer so we can all get a copy, in English, for anyone who wants it.