The Polka Dot Planet Problem The Mardi Gras Problem

The Polka Dot Planet Problem: When Peg's space ship breaks down, she needs the help of a new friend who communicates wit... (more)

The Polka Dot Planet Problem: When Peg's space ship breaks down, she needs the help of a new friend who communicates without speaking.. The Mardi Gras Problem: To jam with Billie Holiday in the Mardi Gras parade, Peg and Cat must learn to use a diagram of notes - sheet music. (less)