Sharpen up your brain with this jumbo book of 1,000 extra hard mind twisting sudoku puzzles. Featuring 4 puzzles per page with solutions at the end. Look out for other Twisted Mind Puzzle Books.

Sharpen up your brain with this huge book containing 1,000 mind twisting sudoku puzzles. Don't waste puzzles with this single difficulty book. Featuring 4 puzzles per page with solutions at the end. Look out for other Twisted Mind Puzzle Books.

Sharpen up your brain with this jumbo book of 1,000 mind twisting sudoku puzzles, 500 hard and 500 extra hard. Featuring 4 puzzles per page with solutions at the end. Look out for other Twisted Mind Puzzle Books.

Sharpen up your brain with this jumbo book of 1,000 mind twisting sudoku puzzles with two levels of difficulty. Featuring 4 puzzles per page and solutions at the end. Look out for other Twisted Mind Puzzle Books.

Sharpen up your brain with this huge book containing 1,500 mind twisting sudoku puzzles. Don't waste puzzles with this single difficulty book. Featuring 4 puzzles per page with solutions at the end. Look out for other Twisted Mind Puzzle Books.

Sharpen up your brain with this big book containing 500 mind twisting sudoku puzzles. Featuring 4 puzzles per page with solutions at the end. Look out for other Twisted Mind Puzzle Books.

Sharpen up your brain with this sudoku puzzle book containing 200 extra hard, super size, mind twisting puzzles. With just one level of difficulty there are no wasted puzzles. Each gigantic 8" x 8" puzzle fills the page leaving masses of room for calculations. Solutions are at the end of the book. Look out for other Twisted Mind Puzzle Books.