1. 01. English Non Fiction The grapes of math : mind stretching math riddles / by Tang, Greg. Publication: New York : Scholastic, 2001 . [40] p. : 26cm. Date:2001 Availability: Copies available: (1), Actions:
2. 01. English Non Fiction Math appeal / by Tang, Greg. Publication: New York : Scholastic Press, 2003 . 1 v. (unpaged) : 27 cm. Date:2003 Availability: Copies available: (1), Actions: