Katie's at a local convention, enjoying the company of fellow geeks and admiring their costumes, but not everything is working out well this weekend. Somebody seems determined to sabotage the convention, and they're wrecking property and putting people in danger to do it. The list of subjects gets longer and longer as Katie investigates. She needs to get to the bottom of the mayhem before the weekend is completely ruined and the convention goes out of business Find out what happens in the 23rd Katie Carter Mystery Story