Bill Slavin

Zap! Nikola Tesla Takes Charge

Monica Kulling y Bill Slavin

Game On in Ancient Greece

Linda Bailey y Bill Slavin

Zap! Nikola Tesla Takes Charge

Bill Slavin y Monica Kulling

Something to Tell the Grandcows

Eileen Spinelli y Bill Slavin

The Seven Seas

Bill Slavin y Esperanca Melo