In-vest-i-gate is a great big word, but its meaning is very simple. To in-vest-i-gate is to look into and try to find out all about something. That is what old Granny Fox started to do after Reddy had told her about the terrible fright he had had at the hill where Prickly Porky lives. Now old Granny Fox is very sly and smart and clever, as you all know. Compared with her, Reddy Fox is almost stupid. He may be as sly and smart and clever some day, but he has got a lot to learn before then. Now if it had been Reddy who was going to investigate, he would have gone straight over to Prickly Porky's hill and looked around and asked sly questions, and everybody whom he met would have known that he was trying to find out something. But old Granny Fox did nothing of the kind. Oh, my, no! She went about hunting her dinner just as usual and didn't appear to be paying the least attention to what was going on about her. With her nose to the ground she ran this way and ran that way as if hunting for a trail. She peered into old hollow logs and looked under little brush piles, and so, in course of time, she came to the hill where Prickly Porky lives. Now Reddy had told Granny that the terrible creature that had so frightened him had rolled down the hill at him, for he was at the bottom. Granny had heard that the same thing had happened to Peter Rabbit and to Unc' Billy Possum. So instead of coming to the hill along the hollow at the bottom, she came to it from the other way. "If there is anything there, I'll be behind it instead of in front of it," she thought shrewdly. As she drew near where Prickly Porky lives, she kept eyes and ears wide open, all the time pretending to pay attention to nothing but the hunt for her dinner. No one would ever have guessed that she was thinking of anything else. She ran this way and that way all over the hill, but nothing out of the usual did she see or hear excepting one thing: she did find some queer marks down the hill as if something might have rolled there. She followed these down to the bottom, but there they disappeared. As she was trotting home along the Lone Little Path through the Green Forest, she met Unc' Billy Possum. No, she didn't exactly meet him, because he saw her before she saw him, and he promptly climbed a tree. "Ah suppose yo'all heard of the terrible creature that scared Reddy almost out of his wits early this mo'ning," said Unc' Billy. Granny stopped and looked up. "It doesn't take much to scare the young and innocent, Mr. Possum," she replied. "I don't believe all I hear. I've just been hunting all over the hill where Prickly Porky lives, and I couldn't find so much as a Wood Mouse for dinner. Do you believe such a foolish tale, Mr. Possum?" Unc' Billy coughed behind one hand. "Yes, Mrs. Fox, Ah confess Ah done have to believe it," he replied. "Yo' see, Ah done see that thing mah own self, and Ah just naturally has to believe mah own eyes."