"Lilly is convinced that the arrival of her new baby brother is the worst thing that has happened in their house, until Cousin Garland comes to visit"--Title page verso.
Lilly loves everything about school, especially her teacher, but when he asks her to wait a while before showing her new purse, she does something for which she is very sorry later.
A mouse named Wemberly, who worries about everything, finds that she has a whole list of things to be anxious about when she faces the first day of nursery school.