DOORS, HALLWAYS, BASEMENTS, BRIDGES, AND BOOK SHELVES: PORTALS AND ALTERNATE UNIVERSES AS SYMBOLS OF IDENTITY DEVELOPMENT IN NEIL GAIMAN’S CORALINE AND CHINA MIÉVILLE’S UN LUN DUN by Lee M. Carnes, B.A. A thesis submitted to the Graduate Council of Texas State University in partial fulfillment of the requirements for the degree of Master of Arts with a Major in Literature August 2016 Committee Members: Graeme Wend-Walker, Chair Susan Morrison Robert Tally