Overall, I really enjoyed reading this book. The story itself was very suspenseful, and I could not put the book down once I started to read it. I also liked how the author included chapters from various perspectives such as from The Shadow and the other police, not just the perspective of JW. This made the story more enjoyable to read and also added to the element of suspense. The pacing of the book was also very good as it wasn't too fast, but it also did not feel slow or boring. Reading this book taught me a lot about the life of a police officer as well as all the work that goes into investigating a call from the perspective of the police. I also learned a lot about how difficult it is to train a K9 dog, from selecting which one you think would fit you best from a breeder to the upfront costs, and learning to work with the dog. However, we also see that JW forms a connection with his K9 dog, and we are shown the many ways having a K9 dog can help police officers in dangerous situations. This book did contain some mature content, so I would advise younger audiences not to read this book. However, this book is perfect for those who are interested in reading a suspenseful book about crime!