Janice May Udry

When Thump thumps Plunk's doll Plunkit, an argument starts which their mother resolves.

Everyone brought something to school to share--everyone except Mary Jo... Somehow whatever Mary Jo planned to share was something someone else had already chosen. Then Mary Jo had a wonderful idea. She had someone who belonged very specially to her, she would share him.

James and John are best friends-or at least they used to be. They shared pretzels, umbrellas, and even chicken pox. Now James always wants to be boss, and John doesn't want to be friends anymore. But when he goes to James' house to tell him so, something unexpected happens.