Introduction
1．E．L．Doctorow's Life and Literary Career
2．Critical Responses to Doctorow
3．Theoretical Framework and Structure of the Book
Chapter One Identity and Narrative： Transgression of A Unitary Self
1．Transgression and Identity
2．The Unfixed Nature of ldentity in Billy Bothgate and Loon Lake
3．The Constant Transgression of the Self to Reach the Other
4．A Narrative of Multiple Voices
Chapter Two Beyond Good and Evil： Transgression of Ethical Codes
1．Ethical Boundaries in Question
2．Justice and Truth on Trial： The Book of Doniel
3．Evil and Otherness in The Waterworks
Chapter Three From "High" to "Low"：Transgression of Discursive Hierarchy go
1．The Hierarchical Structure in Social Discourse go
2．Failed "Sacred Text" in City of God
3．Recomposed History in The March
Chapter Four The Dialogic Voice： Transgression of Genres
1．"The Great Divide"and Postmodern Transgression
2．Ragtime and Popular Culture
3．Western Genre in Welcome to Hard Times
Conclusion
Works Cited
Acknowledgements
