The Norby Chronicles — Janet Asimov

JEFF WELLS BOUGHT THE CHEAPEST USED ROBOT HE COULD FIND ...

It was just a dusty, old tin-can of a robot--with no guarantee. But Jeff only needed it to teach him Martian Colony Swahili before he got expelled from the Space Academy

Jeff Wells didn't really know what he had purchased.

He didn't realize that the robot had been constructed by a genius half a century ago--from the salvaged parts of a damaged alien spacecraft.

He didn't know about the robot's amazing technological skills--such as antigrav and a strange capacity for human emotions--among other things.

Jeff Wells didn't really know what he was getting himself into ...