Figural mind benders. deductive thinking skills / A1 :

Bibliographic Details
Main Author:	Bronniche, Richard
Format:	Microform Book
Language:	English
Published:	Pacific Grove, CA : Midwest Publications, [1987]
Series:	Kraus Curriculum Development library ; MA 5-020.
Subjects:	Mathematics > Study and teaching. Problem solving. Reasoning. Puzzles. Basic skills. Games/activities.