More Mail From Grandpa

When Jon got home, he noticed that he had gotten *another* letter from his grandfather. It looked as if it had been post-dated. Perhaps it should have been mailed along with the package that held the stone? Jon wasn't sure. But, no matter what the reason was that the letter was late, he decided to open it. Inside was a letter written in his grandfather's handwriting, much like the one that came with the stone. But this one said something different. It said ...