You ve been summoned to Castle Slogar to celebrate Melissa s 9th birthday… again! But the party has gone awfully awry. Guests are scattered throughout the labyrinthine castle, and Lord Slogar is missing! It s up to you to lend a hand, or a foot, or whatever you can spare to save the party and rescue Lord Slogar. Unhappy Birthday at Castle Slogar is a sorrowful solo gamebook filled with interactive puzzles. The book s sections describe each room, where you ll face a horrible hindrance or a character whose dismal dilemma you ll solve to access the next room. A special website provides hints and extra material. Unravel the riddles then use your answers to find the gloriously gloomy finale!