摘要:Keyword : CHARACTERISTICS, IDENTICAL, PSYCHOLOGYABSTRACT :This research aims at describing the characteristics of identical twins sister inDanielle Steels Mirror Image and Sandra Browns The Switch by a literarypsychology approach. In arranging this research, the writer uses qualitativemethod; it means the writer uses data in the form of the words and sentences.The research took all the sentences and quotations the characteristics of identicaltwins sister and classified them according to their categories. All sentences andquotation are analyzed and presented in the form of description. The resultshows that the two novels have successful in describing the characteristics ofidentical twins sister based on a psychological approach.