Huge Print Diabolical Sudoku

<h1><strong>Check the sample puzzle on the back cover to judge the difficulty level.</strong></h1><p>The puzzles in this book needs advanced Sudoku strategies to solve. X-Wing Simple Colouring Y-Wing Swordfish XYZ Wing</p><p>This large-print 8.5 x 11 book is great for those who love large-print font for easy visibility.</p><p>There are two diabolical level puzzles on each page and the solutions are included in the back of the book.</p><p>Two big puzzles on each page give you plenty of space to note candidates and the sturdy paper holds up well to erasing.</p><p>Large inside margins make it easier to solve the puzzles when you fold or tear out the pages. Great for sharing!</p><p>Large print on white paper is very easy to read (even in dim light).</p><p>The puzzles are for those that find newspaper Sudoku too easy. Use the sample on the back cover to judge if the level is right for you.</p>