Herbie's experiences in the third grade include finding bones in the boy's bathroom, wandering away from his class on their field trip, and being promoted to a higher reading group.
Harry finds an ad for a used telescope. The class decides to hold a bake sale to raise money to buy it. They will have a moonwatch and invite all the parents.
The students in Miss Mickle's third-grade class enjoy a boat trip on the Connecticut River after a class discussion of ancestors reveals that Sidney and Ida both have connections to the sea.