'Whether I Know, Whether I Know, Should Be Green, Fat, Red, Skinny' was a classic novel. This book was available for free in many places, including libraries, public libraries, and e-book platforms. In addition, there were also some free online reading platforms such as Baidu Reading, Netease Cloud Reading, and other users who could read the book on these platforms. However, it should be noted that some online reading platforms may protect the copyright and users need to pay to view the complete content.