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. Surely you need an outlet of your stress and worries. This Sudoku puzzle book can give you that kind of release. Playing helps create a sense of order and accomplishment. The game is not to be taken lightly as you have to sit down, focus and come up with answers well. The more you play, the more focused you will become, too. Play today!