No more homework!

Professor Bullfinch goes off to attend a scientific conference and leaves Danny in charge of his new miniature automatic computer called Minia. Danny calls it a midget giant brain and suddenly comes up with an idea. Could he program Minny to help him do his homework faster? Soon, Irene and Joe are in on the secret and the three friends are busy feeding information from their school books into Minny, the mechanical brain. All goes well until their old enemy, Snitcher, starts spying on them--and decides to try his hand at sabotage!/