Book on Yixing Tea Pots

I picked this up a gift for a friend … very nice book .. would love to get an English language copy.
Cover and Sleeve...
Inside cover...Raw material .. Purple Clay, zi zhi 紫 埴 or (sand) sha 砂
Teapot anatomy ...
Tools of the artisan ...
Making a teapot ...


Details on maker marks (Seal/Chop) ... yin zhen 印證 or tu zhang 圖章
The word 印 ("yìn") specifically refers to the imprint created by the seal. The colloquial name chop, when referring to these kinds of seals, was adapted from a Malay word during the colonization of the Straits Settlements.
In China, Name seals - 名印, are very important in all aspects of identification, showing authenticity and approval of quality. Personal Name Seal, xing ming yin - 姓名印
Examples of teapots ...


I'll continue to search out English language puplications .. some of the Chinese books are nice to have and can be used as ref. material ....