Hard-to-Solve Math Puzzles > Editions
by Derrick Niederman First published June 30th 2001
Published June 30th 2001
by Sterling
Paperback, 96 pages
Published
by sterling (june 30, 2001)
Paperback, 0 pages
Published January 1st 2009
by Goodwill Publishing House
Paperback, 96 pages



