This Sudoku puzzle book presents 500 puzzles for your solving enjoyment. They are ALL rated HARD ( 3.0 - 3.9 per sudokusnake.com rating system). At this difficulty level, other basic 'beginner' Sudoku solving techniques are required to solve these puzzles ---Techniques that are mainly required for these puzzles 1) Hidden Singles by Cell/Box, 2) Hidden Singles, 3) Naked Singles, 4) Pointing, and 5) Claiming. The problems are a bit more challenging but after a few solved puzzles are part of your repertoire, you will be well under way to advance your solving techniques and perhaps continue on to be a MASTER of Sudoku. The Sudoku puzzles are placed 2 per page, side by side, landscape orientation. Also, the puzzle grids are sized to 4.25" x 4.25" (inches) to provide enough space in each box to write your candidates to assist in solving the puzzles. May the fun begin
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