Karen Chance is an American novelist who has been writing full-time since 2008. She grew up in Florida and has lived internationally, teaching history in various locations including France, Great Britain, Hong Kong, and New Orleans. Her work has achieved bestseller status on lists such as The New York Times and USA Today. Chance's writing primarily focuses on paranormal romance, weaving intricate plots around supernatural beings and their complex relationships.

Her most prominent series include the Cassandra Palmer series, which centers on a young woman discovering her destiny as the Pythia, the supreme seer of the supernatural world. This series delves into themes of identity, burgeoning powers, and the protagonist's integration into the hidden magical society. A spin-off, the Midnight's Daughter series, explores the life of Dorina Basarab, a dhampir (half-vampire, half-human) and daughter of a significant vampire figure, introducing further layers to the established mythology. Both series share characters and expand upon the supernatural universe Chance has created.

The Cassandra Palmer series is a cornerstone of Karen Chance's work, introducing readers to the titular character, a ghost whisperer and clairvoyant who learns she is destined to become the Pythia, the principal seer for all supernatural beings. The narrative follows Cassie's journey as she grapples with her newfound responsibilities, explores the extent of her powers, and navigates her place within the complex and often dangerous supernatural world. The series is noted for its detailed world-building, featuring a rich tapestry of magical creatures, ancient prophecies, and political intrigue among various factions. Several short stories and novellas also expand upon this universe, focusing on supporting characters like John Pritkin and Mircea Basarab, offering deeper insights into their backstories and roles within Cassie's overarching saga.

Spinning off from the Cassandra Palmer series, the Midnight's Daughter series introduces Dorina Basarab, a dhampir and the daughter of Mircea Basarab, a powerful vampire connected to the Pythia. This series delves into Dorina's unique heritage and her struggles within the vampire community and the broader supernatural landscape. Like the Cassandra Palmer series, it features a blend of action, romance, and supernatural elements, exploring themes of lineage, power, and survival. Chance has also penned short stories and novellas within this universe, featuring characters such as Claire Lachesis and Lia De Croisset, further enriching the interconnected narrative tapestry of her paranormal worlds.

Karen Chance has been a full-time author since 2008, establishing a significant presence in the paranormal romance genre. Her novels have garnered considerable attention, appearing on prestigious bestseller lists like The New York Times and USA Today, indicating widespread reader appeal. Prior to her full-time writing career, Chance lived and taught history in various international locations, including France, Great Britain, Hong Kong, and New Orleans, experiences that may have informed her richly detailed and diverse fictional worlds. She currently resides in Florida.