Who's that Girl? is a thrilling mystery novel written by Blair Thornburgh. The story follows Natalie McCullough, a young detective who is assigned to solve a perplexing case involving a mysterious woman. As Natalie delves deeper into the investigation, she uncovers a web of secrets, lies, and unexpected twists. Who's that Girl? keeps readers on the edge of their seats with its suspenseful plot, well-developed characters, and clever storytelling. This gripping book is perfect for fans of crime fiction and suspenseful thrillers.