The Uninvited Guest is a gripping novel from Waldo author David Frank. The book tells the story of the main character, who inadvertently finds himself in a situation where he has to face unwanted powers and influences that force him to reevaluate his beliefs and values. The author successfully combines a tense storyline with a complex psychological portrait of the main character, revealing his inner conflict and inner struggles. "The Uninvited Guest" is a book that will leave you impressed with its depth, mystery and unexpected turns of events.