Peter has a new baby sister and she preempts his old cradle, his crib and his high chair, each newly painted pink. To prevent his father from transforming his little blue chair also, Peter gathers up chair, toy crocodile, dog Willie and a "picture of me when I was a baby," and runs away--to the sidewalk in front of the house. But when he attempts to sit down in the little blue chair, he discovers that he is too big. His mother tempts him with "something special for lunch" and Peter rejoins the family--in a grown-up chair. "Daddy," says Peter, "let's paint the little chair pink for Suzy." The adjustment is accomplished with a minimum of moralizing and a maximum of visual involvement. A soupcon of security for displaced preschoolers, and a glowing companion to The Snowy Day and Whistle for Willie.