The Call of the Wild is the first best seller of Jack London, one of the best novelists in the early twentieth-century America. It was this book that made its author famous in the republic of letters. Although its has less than one hundred pages and a simple plot, it is considered as a classic of American literature. This thesis undertakes an attempt to dissect its five themes--back to nature, the survival of the fittest, the refraction of social life, struggles of the oppressed and humanitarianism so as to disclose the multiplicity of...