Fiona Higgins's Black Book of Secrets is a tense thriller centered on a black book containing dangerous and mysterious secrets. The plot tells how the main character is faced with numerous secrets and dangers that come from this book. Each secret reveals more and more aspects of darkness and intrigue, creating an atmosphere of constant tension and expectation. The audiobook allows you to dive deeper into the world of mysteries, revealing to the audience all the complexity and layering of the storylines. A lovely record and a gripping plot make this a must-have for thriller and mystery lovers.