The book relies on the fanciful tale as a backbone, but running throughout the novel (as well as its sequel, ''Through the Looking Glass'') are logic-problems and mathematical jokes. These were inserted by Carroll, a mathematician, for both amusement and edification. | The book relies on the fanciful tale as a backbone, but running throughout the novel (as well as its sequel, ''Through the Looking Glass'') are logic-problems and mathematical jokes. These were inserted by Carroll, a mathematician, for both amusement and edification. |