By Leslie Lindsay  Absolutely gripping and stunning thriller that will have you frantically flipping the pages, AN ANONYMOUS GIRL is a wicked delight. One of: Cosmo’s “Best New Books of 2019” Bookish’s “Must-Read Books of Winter” I enjoyed the first collaboration between Greer Hendricks and Sarah Pekkanen, THE WIFE BETWEEN US (St. Martin’s Press, January 2018), but I have to say, AN ANONYMOUS GIRL (January 8 2019) is EVEN BETTER. I was completely taken with the psychology study on ethics and morality and dove right in. And let me say, the pace of AN ANONYMOUS girl is relentless; I couldn’t put it down. There’s a beautiful dance of psychological intensity meets thriller intrigue as 28-year old Jessica Farris wriggles her way into a psychology study conducted by the mysterious–and slightly sinister–Dr. Shields. All Jessica is led to believe is that she will answer a few questions, get paid, and leave. But there’s so much more at stake. The questions grow increasingly more invasive and personal–does Dr. Shields *know* Jessica? Could there be a secret agenda? Is …