Condition - Very Good The item shows wear from consistent use, but it remains in good condition and functions properly. Item may arrive with damaged packaging or be repackaged. It may be marked, have identifying markings on it, or have minor cosmetic damage. It may also be missing some parts/accessories or bundled items.
Trigons book (Trigons Puzzle Books)
This is a collection of challenging numerical puzzles which are not easy to find, known as TRIGONS.
Trigons are NOT SUDOKU. Your goal is to fill in each triangle so that the digits on the sides of the triangle add up to the sum given in the center of the triangle.
Possible sum combinations are listed below each grid.
Solving these puzzles will certainly sharpen your mind, but before that, make sure to sharpen your pencils!
