"Houseboat Mystery," written by Gertrude Chandler Warner, takes young readers through an engaging adventure filled with suspense and intrigue. The story revolves around a mysterious situation that unfolds on a houseboat, where the characters must solve various puzzles and look for clues that lead them toward unraveling the central mystery. Each element adds excitement, maintaining a gripping narrative that encourages readers to think critically as they follow along with the protagonists.