Mind Wrapper Sudoku Challenge Puzzles Vol 1: Difficult Sudoku Books Edition (Sudoku Puzzle Series)

IMPORTANT - EBOOK edition of this book is an PRINT BOOK REPLICA and not used for completing puzzles on the device. The eBook is a preview providing useful content on the benefits of crossword, sudoku and other puzzles for both children and adults, also showing the actual puzzles available in the physical copy of the book. A BONUS link in the book lets you download books with high quality crossword puzzle and sudoku book PDF pages with dozens of puzzles with clues and answers that readers can PRINT. The download is optional, it is not the main function or purpose of this ebook - PRINT REPLICA. This Sudoku book is not for the hotheaded. The level of difficulty of the puzzles included here are reserved for the serious learners and those who have the patience to really think deep and figure out patterns. You will not be given clues; rather, you will be left on your own strategies. If you think you can complete this Sudoku book, then buy a copy today!