When a lazy bird hatching an egg wants a vacation, she asks Horton, the elephant, to sit on her egg--which he does through all sorts of hazards until he is rewarded for doing what he said he would.
A boy wants all of the pets in a pet store but he and his sister can choose only one. End notes discuss Dr. Seuss's pets, his creative process, and the discovery of the manuscript and illustrations for "What Pet Should I Get?"