The Siren is an erotic romance novel by Tiffany Reisz. It tells the story of Nora Sutherlin, a successful erotica writer who becomes involved in a complex relationship with a mysterious man named Søren. The book explores themes of dominance, submission, and the power dynamics of their unconventional love affair. With its explicit scenes and exploration of BDSM, The Siren has attracted readers seeking a provocative read.