Mystery Science Detectives Book 3: The Case of the Underwater Aliens

Strange glowing beings have been spotted near Seagull Island! A fisherman claims he saw a mysterious underwater creature near the shore. He believes it's an alien, so he asks the Mystery Science Detectives to take the case. It's a smart call since the after-school club can solve any mystery using the power of science! But when the mysteries begin to multiply, the team wonders if they're in over their heads . . .