Follows the progress of a hungry little caterpillar as he eats his way through a varied and very large quantity of food until, full at last, he forms a cocoon around himself and goes to sleep. Die-cut pages illustrate what the caterpillar ate on successive days. A caterpillar eats a great deal and then spins its cocoon. Library of Congress. Die-cut pages illustrate what the caterpillar ate on successive days. Carle's classic tale of a voracious caterpillar who eats his way through the days of the week and then changes into a eautiful butterfly has been reissued in a sumptuous twenty-fifth anniversary edition with a shiny, silver-coated cover and wonderfully thick, durable pages.