The Thunderballs’ new coach has a few tricks up her sleeve!

When Nick’s mother takes on the job of coaching the Thunderballs, Nick is mortified. Being teased by his baseball team’s archrivals, the Tornadoes, makes it worse. But when Mom leads the Thunderballs to one victory after another in a race toward the pennant, Nick changes his tune — and the Tornadoes start singing the blues! This fast-paced baseball story has plenty of humor and action and will appeal to all young sports fans.