My book had a glorious run (28 days) in the top 100. When it fell out, I put it back to full price everywhere. Before I adjusted the amazon price, I made sure it wasn't 99 cents in the other stores and waited for the listings to update. They did. Anyway, Amazon didn't put the price back to $3.99. They left it at 99 cents. It looks like they put it on sale or price matched or...? Why else would they do that? Just wondering if I'm missing something. Probably am...