13 - A Reason for Everything.  
The story revolves around a mysterious and eerie ship that is rumored to be haunted. The plot follows a group of young protagonists who become involved in uncovering the secrets surrounding this ghostly vessel. As they investigate, they encounter various supernatural occurrences and unravel clues that lead them closer to understanding the ship's haunting. The novel combines elements of adventure, suspense, and mystery, providing a thrilling experience for its readers.