Cassiopeia groaned in frustration. She had been over the blueprints many times, but still could not figure them out. She thought there was a secret tunnel running through the library, but she could not seem to find it, and Orion would be here any moment. How could she have been so foolish? She had been hoping to prove herself right, and to impress him at the same time. But it seemed neither of those things were going to happen. She must just be staring at an area of wall where piping was hiding.