"(Un)happy wagon 13" is an exciting novel by the famous Ukrainian writer Serhiy Zlotnikov. In this book, readers will immerse themselves in the atmosphere of secrets, danger and mystery. The main character, Oleksandr Malyshev, who works as an engineer on the railway, finds himself on the car with number 13, which has never traveled before. From this moment his incredible adventure begins. He encounters supernatural phenomena, meets mysterious passengers and reveals shocking secrets related to this mysterious carriage. The author skillfully combines a detective plot with fantastic elements, which makes the book fascinating for lovers of various genres. "(Un)happy wagon 13" is a book that will keep the reader in suspense until the last page, mesmerizing with its mystery and unexpected plot twists.