On Sunday a caterpillar hatches from his egg. On Monday he eats an apple. On Tuesday he eats two pears. On Wednesday he eats three plums. The hungry caterpillar eats more and more food for every day of the week. What will happen to the caterpillar after all this eating? Die-cut pages and colorful collage illustrations show all the food eaten by the hungry caterpillar, as well as his final metamorphosis.