Popular romance fiction constitutes the largest segment of the global book market. Bringing together an international group of scholars, The Routledge Research Companion to Popular Romance Fiction offers a ground-breaking exploration of this global genre and its remarkable readership. In recognition of the diversity of the form, the Companion provides a history of the genre, an overview of disciplinary approaches to studying romance fiction, and critical analyses of important subgenres, themes, and topics. It also highlights new and understudied avenues of inquiry for future research in this vibrant and still-emerging field. The first systematic, comprehensive resource on romance fiction, this Companion will be invaluable to students and scholars, and accessible to romance readers.