Where Have All The Plot Lines Gone?

There should be a store for plot lines. Or at the very least a rental place. If only I could get story ideas in the mail like my Netflix DVD's. Right now I'm working on the third book in my series (now called the "Calloway Summers" series, BTW), and I'm starting to have mild panic attacks that I'll never come up with the full plot line. I sat down with the computer for almost two hours today, and