"Knock in Danger" is an exciting book by the famous English writer Eden Philpotts. In this novel, the author tells the story of an ordinary man who accidentally finds himself in danger due to a series of unpredictable events. Forced to choose between his own safety and loyalty to principles, the main character will go through many trials and discover the true strength of his character. "Knock in Danger" is an exciting thriller that will keep you in suspense until the last page.