Alena Gurin

Hard Sudoku Hoshi Puzzle Book for Adults Alena Gurin

250 excellent puzzles 9x9 for Advanced Players at the level of Hard. Hoshi consists of six large triangles; the numbers 1 through 9 must be placed into the triangular cells of each large triangle. Every line (of any length, even uncontinous) contains every digit not more than once. The font size is correct, you will not have to strain your eyes when solving puzzles. All riddles have only 1 solution. 2 puzzles per page. High quality paper and print (all puzzles read well, easy to write with pen and pencil without worry of bleed-through).