Kakuro is the next hot puzzle craze, and everyone can give it a try with this new, multilevel series. These language-free number puzzles use pure logic and require just simple arithmetic to solve. So, in addition to being fun, they help develop your powers of deduction and reasoning. Beginners can get started--and more experienced solvers hone their skills--with these perfectly tiered "belt" books, each containing 150 kakuros. They take their cue...
Related Subjects
Games Logic & Brain Teasers Math Math Games Mathematics Puzzles Puzzles & Games Science & Math