This is the First Volume of a series of Three (3) volumes of Pocket Sudoku HARD Puzzle books. Looking to challenge yourself after completing the Medium Sudoku Books? Now you can take on the next installment of Hard Sudoku Puzzle books. They are easy to carry with you while on vacation, traveling to work or school or just lounging around the house, the pool, or the park. If you are looking for a fun way to sharpen your memory and improve your critical thinking skills, then this Pocket Sudoku Hard book is for you. While you may be a beginner or a seasoned sudoku player, this book offers you endless entertainment with hundreds of puzzles to choose from. Primarily these Hard level puzzles allow you plenty of practice to improve cognitive skills. Comprehensive solution guides: No need to worry if you get stuck on a puzzle. With our solution guide it's easy to follow; making this an ideal option for those looking to refine their Sudoku skills. All our puzzle books come with the solution at the back of the book in case you want to check your work. Ideal Gift: This sudoku book would be a great gift for someone who wants to relax and unwind while enhancing their mind effortlessly. Remember to get the other books in the series or any of the other Puzzle Activity Books I have published.

A pocket sized collection of Sudoku puzzles to test your mental dexterity, powers of logic and deduction. 50 puzzles with solutions included Keep your mind sharp and test your reasoning powers. Ideal for taking with you on the move to make those long journeys / commutes more interesting. Hard - Volume 1

Sixy sudoku puzzles bring a whole new dimension of logic, making a 6 x 6 possibly even more fun than a 9 x 9 sudoku! There is no plain hard work, just a lot of logic and insight. Peter Ritmeester, founder and owner of PZZL.com, is the inventor of Hyper Sudoku where four gray regions also contain 1-9. By applying this idea to 6 x 6 Sudoku, an additional level of logic is created. Pocket Posh Sixy Sudoku Hard Puzzles features a foreword, an extensive how-to-play section, 200 medium to hard puzzles, and complete solutions at the back. The rules: insert the digits 1-6 just once in each a) row, b) column, c) bold outlined area AND d) in each white and gray rectangle.

Stripe and floral mini pocket sized Sudoku Puzzle Book. Challenge your brain! 4 x 6.25 inch size is small enough to easily fit in purse, pocket or bag Organized by difficulty level |From very easy to extreme 45 puzzles with solutions in the back of the book

Book one of Pocket Sudoku Puzzle Book Series by Reuben Berry. This book contains 100 Sudoku puzzles with 4 different level of difficulty(easy, moderate, hard, and evil), you can find all the answers. You can easily take this book with you, because it is about 5x6 Inches in size. When you are travelling, it is convenient for you to play the Sudoku puzzles! Your whole family can also play the Sudoku puzzles together and will enjoy it very much! SCROLL to the top of the page and select the BUY button to have one

It's mind-boggling . . . It's addictive . . . It's SUDOKU MANIA Solving Sudoku number puzzles demands no mathematical skills. All you need to have is a good sense of logic, a love of game-playing, and a whole lot of patience! If you have not yet discovered Sudoku, you'll be playing like a pro in no time. If you -- like millions of other Americans -- are already hooked on the game, SUDOKU MANIA will provide further hours of challenging fun -- with seven mind-bending skill levels! Look for brand-new puzzles in the SUDOKU MANIA series -- coming soon from Pocket Books.

This book contains 100 previously unpublished sudoku puzzles of hard level. The solutions are printed at the end of the book.