where i can buy this book and price of it??

Wai Jia: The Kung Fu Forum Kung Fu Forum
1

https://www.google.com/url?sa=t&source=web&rct=j&url=https://m.youtube.com/watch%3Fv%3DucbYF-TDNUA&ved=0ahUKEwjkvPa9mc_cAhVLyaQKHYMNBBMQo7QBCBswAA&usg=AOvVaw2fCQJT7_g1EklvOrxTsCyv

2

Can Mr Alex reply on me please