The Ambivalent Detective in Victorian Sensation Novels studies how the detective as a literary character evolved through the mid-nineteenth century in England, as seen in sensation novels.

Sarah Yoon is a Lecturer at Underwood International College, Yonsei University, in South Korea. She holds an MA in English Literature from Yonsei University. Her research interests include Victorian literature and culture, the environmental humanities, and Korean-English translated novels. Her research has been published by international journals, such as Brontë Studies and Critique. The Ambivalent Detective in Victorian Sensation Novels is her first book.