About the book: 2007 / Various strange incidents are happening at Bowstring Castle. Either the maid sees a ghost in the armor of a knight, then the bowstring from the crossbow disappears, and the owner of the castle himself rushes around the castle in an old robe with a handful of nails and a hammer, screaming - they are coming. There was a heavy atmosphere of murder in the air. And it didn’t take long to happen. The owner of the castle, Lord Rayle, is killed. The famous criminologist John of Gaunt, invited by the son of the murdered owner of the castle, begins an investigation.