Caroline and Sela are half-sisters, but only Sela knows this. Caroline finds out through a DNA test, and her life paradigm shifts. Sela needs her for a kidney transplant. Strawser is brilliant at portraying the harrowing unleashing of secrets, maintaining tension throughout the story, with a tiny cliffhanger at the end of each chapter that keeps the reader engaged. I highly recommend anything by her. I was fortunate to receive a digital copy from the publisher St. Martin’s Press through NetGalley.