SUDOKU OMNIBUS

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Want to delay ageing and have a brain 10 years younger than your biological age?Then this book is the perfect antidote to sharpen your thinking, improve attention and boostyour memory!In the Sudoku Ominibus, you get:• More than 100 sudoku puzzles of varying difficulty levels.• Four levels of difficulty (easy, medium, hard and nasty).• Solutions at the end of each part.• Sudoku grids which are large, easy to read and fill out.So get those grey cells working.