The book introduces the main varieties of valuable chop stones such as Shoushan Stone, Qingtian Stone, Changhua Stone and Balin Stone, and other famous chop stones like Guanglv Stone, Changbai Stone, Laizhou Stone, Dongxing Stone, Liyang Stone, Yunhe Stone, Fuding Stone, Korean Stone, and Qinghai Stone and so on. It makes a comprehensive introduction about the basic knowledge, quality and value assessment, resources summarization, identification and anti-counterfeiting, and investment strategy of these stones. This is a comprehensive and authoritative guide book in investment and collection.