完全正确.
whose 可以指人也可指物 但一定做名词定语.像whose cover
of which 介词短语作cover的定语.所以=whose coverDo you like the book which cover of is blue这样对不对的?不对。which引导定语从句，which不能放在名词前面，必须用whose cover 或者the cover of which谢谢。