• Two big puzzles on each page give you plenty of space to note candidates and sturdy paper holds up well to erasing.
• Extra wide center margins make it easier to solve the puzzles when you fold the book back.
• Large print on white paper is very easy to read (even in dim light).
• Each puzzle has one solution - provided at the back of the book. Go ahead and peek if you get stuck or want to verify your answer.
• Puzzles rotate through 6 levels of difficulty from Easy (Simple and Easy) through Medium (Mild and Medium) to Hard and Very Difficult puzzles.
• Be a non-conformist and solve them in any order your please!

After tackling the puzzles in this book and finding the difficulty level you like best, you can get one of our other books full of Sudoku puzzles at that level.