When some classmates come down with chicken pox, Kip uses tables and charts to help determine if there will be enough students to put on the planned Holiday Show.
Although Monty's mother, tired from her long day of work as a doctor, wants to put up her feet and rest, he is not feeling well and needs her both as a mom and as a doctor.
Provides information about chicken pox, discussing its causes, signs and symptoms, treatments, and complications, and explains how to guard against catching chicken pox.
When Arthur catches chicken pox a week before his family is supposed to go to the circus, his sister, jealous of the special treatment he gets, invites a friend to go in her brother's place.