Casey had just lit her lighter and was preparing to light the fuse. Her plan was to turn at the last second in the library door and release this finale, in the hopes that it would help disguise their escape and keep the librarian behind them for a moment. Sure, the move was largely inspired by her own hopes of continuing to cause trouble, but it was also a very rational choice. It was possibly the only way they could stall the adults long enough to actually escape.
She was not expecting Bertie to grab her wrist. When he did, her hand jerked and the fuse slid through the open flame. She quickly wrenched her hand away and the firework exploded in her hand. Her skin immediately stung from the burn, ash blowing into her face. She nearly fell down, but she managed to turn, her ankle twinging again – she was just falling apart not. She turned on the boy, looking furious. “Good going!” she burst, looking absolutely fierce in all of her youthful rage.
Right after her outburst, another voice joined the fray. Casey cursed under her breath, looking to the boy who was coming out a stupor of sorts. Sass wrinkled her nose, curled her lip, raised her eyebrows as she looked at the Ravenclaw genius, certain he had another bright idea to get them in even more trouble. Had it not been for him, everything would have gone as according to plan. He was officially Rotten Luck.
He seemed frozen, though. Casey turned around her, looking for an idea for what to do next. She had one idea, but it was potentially horribly stupid. She would have left Bertie there if he did not promise to be a threat to her. If he was found, what would keep him from ratting her out. The professor was about to come through the library door, so there was no escape that way. But Casey had an idea. And it looked like, at first glance, a stupid idea.
“Shut up and follow me,” she instructed. She grabbed Bertie’s wrist and dragged him after her, her hand throbbing painfully from the burn. She was jogging towards the library door, straight towards the voices that promised detention. It looked like a suicide mission.
At the last second, she whipped around, pulling him after her. She slid behind the librarian’s desk, a three sided thing with sturdy shelves. She shoved Bertie into the bottom shelf before clambering next to him. It was cramped – here an elbow, there a knee, there a foot. She was not facing him, but facing out so she could view a tiny space above the desk where the door was.
She hissed, “Once they get halfway into the library, we make a break for it. Unless they come behind the desk… we’re home free.”