Hoshi Sudoku Game. Riddles of Brain.: 400+ Puzzles Easy to Medium Levels. Holmes Presents to Your Attention a Book with Proven Logical Sudoku.(Plus 250 Sudoku and 250 Puzzles That Can Be Printed).
(Hoshi Logic Puzzles, #6)
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Hoshi Sudoku Game. Riddles of Brain.: 400+ Puzzles Easy to Medium Levels. Holmes Presents to Your Attention a Book with Proven Logical Sudoku.(Plus 250 Sudoku and 250 Puzzles That Can Be Printed).
(Hoshi Logic Puzzles, #6)
