Norby finds a villain
By: by Janet and Isaac Asimov.
Contributors: Asimov, Isaac, 1920-
Publisher: Walker
Published: 1987
Place of publication: New York, N.Y
Language: eng
Number of pages: 102
Subjects: Robots -- Fiction; Time travel -- Fiction; Science fiction
Description: Fifteen-year-old Jeff and his mixed-up robot, Norby, travel backwards and forwards in time and find themselves prisoners on an alien planet in another universe.