Project-a-puzzle
By: Richard D. Porter ; illustrated by Al Kaelin.
Contributors: Los Angeles Unified School District.
Edition: 2d ed.
Publisher: National Council of Teachers of Mathematics
Published: 1978
Place of publication: Reston, Va
Language: eng
Number of pages: 62
Subjects: Mathematical recreations.
Notes: "Developed by staff of the Los Angeles Unified School District"
Cover title.