by Puzzle Crazy (Author)
You can practice your problem-solving skills with no math involved! How? Answer some crossword puzzles every day! It's A proven technique that has helped mold scientists, mathematicians and musicians for ages. There's nothing to lose if you try it out and see how effective it is on you, too! Buy a copy today!
Number of Pages: 106
Dimensions: 0.22 x 9 x 6 IN
Publication Date: April 01, 2016