Get ready to dive into a thrilling adventure with "Mediator#4: Darkest Hour" by Meg Cabot. This trade paperback book is a must-read for fans of young adult fiction and juvenile fiction. The story revolves around romance, paranormal elements, monsters, mysteries, and detective stories, making it an exciting read for those who love thrillers and suspense. The book measures 6.8 inches in length, 4.2 inches in width, and 0.8 inches in height, with a weight of 6.9 ounces and 336 pages. It is published by HarperCollins in English language in 2004. As part of the Mediator Ser. series, this book promises to provide an unforgettable experience for readers who are on the edge of their seats.