The great gradepoint mystery
By: Barbara Bartholomew ; illustrated by Yuri Salzman.
Contributors: Salzman, Yuri, ill.
Series: Microkid mystery series; Microkid mystery
Publisher: Macmillan
Published: 1983
Place of publication: New York
Language: eng
Number of pages: 106
Subjects: Computers -- Fiction; Schools -- Fiction; Mystery and detective stories
Description: When the grades of twelve-year-old Ricky and his friends inexplicably drop at the beginning of junior high, they suspect someone may be tampering with the school computer during a competition with a rival junior high.