Hard SUDOKU Puzzle Book For Adults – 300 Large Print Puzzles
Very difficult Sudoku puzzles require the use of advanced logic techniques! Perfect book for experienced Sudoku solvers. You’ll need to use X-Wing, XY-Wing, XYZ-Wing, XY-Chains and Coloring to complete these puzzles. Large print on white paper is very easy to read, even in dim light. Two big puzzles on each page give you room to note candidates. There is only one solution per puzzle with answers at the back.
Hard SUDOKU Puzzle Book For Adults – 200 Large Print Puzzles
A whole book of Hard Sudoku to keep your brain buzzing! Improve your Sudoku skills while solving these puzzles which require advanced logic techniques: X-Wing (20 puzzles), XY-Wing (70 puzzles), XYZ-Wing (20 puzzles),XY-Chain (70 puzzles) and Coloring (20 puzzles). Two large print puzzles on each 8.5″ x 11″ page leave plenty of room for noting candidates. Wide inner margins let you tear out pages to go.
SUDOKU LARGE PRINT PUZZLE BOOK FOR ADULTS – 200 HARD & VERY DIFFICULT PUZZLES
Advance from Hard to Very Difficult puzzles as you improve and gain experience. Two big puzzles on each 8.5″ x 11″ 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 or just tear out a page and take it with you.