qwbm		ļ

book.css	ʽļ:Ϊbook.cssΪʲôbook.css,ΪΪԺϵͳӦ
images		ʽõͼƬ
smallimg.jpg	ʽСͼ:188px * 141px
bigimg.jpg	ʽͼ:270px * 327px
