"In the light of the moon a little egg lay on a leaf." So begins Eric Carle's modern classic, The Very Hungry Caterpillar. On Monday, two pears on Tuesday, three plums on Wednesday, and so on, through cherry pie and sausage, until he is really fat and has a stomachache. And no doubt you know what happens next! Kids love butterfly metamorphosis stories, and this popular favorite teaches counting and the days of the week, too.