250 excellent puzzle 9x9 at the level of Medium All riddles have only 1 solution. 2 puzzles per page.The font size is correct, you will not have to strain your eyes when solving puzzles.For Intermediate PlayersHigh quality paper and print (all puzzles read well, easy to write with pen and pencil without worry of bleed-through).Skyscrapers Sudoku is based on the original Sudoku grid, with the same rules and numbers-1 to 9(no number may appear twice in any row or column and rectangles of 3x3).The numbers along the edge of the puzzle indicate the number of buildings which you would see from that direction if there was a series of skyscrapers with heights equal the entries in that row or column