Karens Chicken Pox (Baby-Sitters Little Sister)
by Ann M. Martin
Category: Juvenile Fiction

Stay away, spots! Halloween is coming! There will be a party at school. and Karen, Hannie, and Nancy have planned the best costume ever. Then Karen’s little sister gets the chicken pox. It is very contagious. Karen does not want to catch chicken pox. If she does, it will ruin Halloween. And that would be really scary!