One day, when Christopher Robin and Winnie-the-Pooh and Piglet were all talking together, Christopher Robin finished the mouthful he was eating and said carelessly: "I saw a Heffalump to-day, Piglet." "What was it doing?" asked Piglet. "Just lumping along," said Christopher Robin. "I don't think it saw me." "I saw one once," said Piglet. "At least, I think I did," he said. "Only perhaps it wasn't." "So did I," said Pooh, wondering what a Heffalump was like. "You don't often see them," said Chris