From krazydad, constructor of the wildly popular and addictive puzzles published in The New York Times as Two Not Touch, here are 360 of your favorite Star Battle puzzles. These puzzles will provide a healthy diversion for you in these challenging times, and help you make it to the other side with your sanity intact! Includes an instructive and pithy tutorial.

You don't need to be a math whiz to enjoy a great sudoku puzzle! Sharpen your mind and have some fun with this great collection of sudokus, including over 540 challenges across four difficulty levels (Warm-Up, Challenging, Tough, and the ultimate Samurai Sudoku!) A must-have for all Sudoku enthusiasts. OVER 500 PUZZLES & SOLUTIONS: Hours of fun and entertainment to enjoy! VARIETY OF LEVELS: From levels 1 to 3 increasing levels of difficulty including Warm Up, Challenging and Tough. When you are done, test your skills on the ultimate Samurai Sudoku Puzzle - 5 puzzles linked together by a central puzzle! Can you become a master samurai? LAY FLAT: Spiral-bound lays flat for ease of use at home or on the go. Whether your drinking your morning coffee, riding on the train or relaxing on vacation this sudoku book can go with you. MAKES A GREAT GIFT: For the sudoku puzzle lover, this books makes a great gift for any occasion! Birthday, stocking suffers, road trip or more, everyone will love it! BRAIN BUSTERS(TM) Part of the Brain Busters Puzzle Collection from Parragon & Cottage Door Press. Look for other books including word finds, crosswords, picture puzzles, and more.

If you're looking for a sudoku book for beginners, here's the perfect first sudoku puzzle book for you! Starting children out with super easy 4x4 puzzles, this book progressively challenges the reader with harder and harder puzzles. After conquering the 4x4 grid, readers then get to take on the popular 9x9 sudoku puzzle. With over 100 puzzles for any skill level, Sudoku for Kids is published in large print so that adults can enjoy it, too. All puzzle answers are included in the back of the book. Teachers and homeschoolers: this book comes with reproduction rights for educational use. Teach your kids to develop critical thinking and logic skills with the addicting fun of sudoku!

When you buy this book you get an electronic version (PDF file) of the interior of this book. You can play the puzzles in this book on your mobile phone! Sudoku is a fun and addicting logic puzzle game that has taken the world by storm. This book is ideal if you are a Sudoku expert. In this book, you find the most extreme Sudoku puzzle ever. Once you pick up this book, you won't be able to put it back down. You have been warned! Only 1 large print puzzle per page, with lots of white space for scribbling. Sudoku 10x10 - Extreme is a collection of 276 puzzle: 216 extreme Sudoku 10x10 puzzle 60 extra logic puzzle I guarantee that every logic puzzle in this Sudoku puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. None of the puzzle in this book will appear in any of the other English PuzzleBooks.net books. Sudoku is also known as Number Place, Nanpure, Su Doku. Quite often Sudoku is misspelled as Suduko, Soduko, Sodoku, Sudoko, Suduku or Soduku.

This activity book for adults was created and elaborated by an engineer, but with a great passion for sudoku. It is designed for all Sudoku lovers and enthusiasts, but due to its high level of complexity it is specifically geared for expert or very advanced players. It has 80 challenges that will test your logic, reasoning and patience like never before. We invite you to this challenge to test your problem-solving talent with these 80 puzzles designed by a Sudoku expert for only a small group of enthusiasts with a high IQ. Only 16 x 16 square grid puzzles are included in this Super Sudoku that we estimate will challenge even the most experienced Sudoku players. Each puzzle includes an area for annotations and calculations, a time table is also included so you can record the start and end of each challenge and keep track of the time taken to solve each sudoku to compare the speed and skill of solving the challenge with other players or experts. All solutions appear at the end of the book. 1. Contains 80 super puzzles designed by a Sudoku expert, with 16 x 16 grids, that will keep you busy for a few hours. 2. This Activity Book is recommended for expert players only, there are no warm-up puzzles, it goes straight to games with levels of complexity, difficult, very difficult or extreme. If you require to warm up before with 9 x 9 grids or low to intermediate difficulty levels, this activity book is definitely not for you. 3. Each page features a time-keeping chart, allowing you to track your progress and compete against yourself or your friends to see who can solve the puzzles the fastest. 4. Sudoku is proven to stimulate the brain by improving critical thinking, problem solving skills and memory retention. 5. This book provides countless hours of mental stimulation. Whether for commuting to work or just relaxing at home, it is the perfect way to keep the mind awake and entertained anytime, anywhere. 6. Solutions to all of the puzzles are included at the end of the book. 7. 192 pages. Size: 8 1/2 x 11 inches. 8. Puzzles printed in Large Format (One Sudoku game per page) for easy viewing. 9. Beautiful cover crafted with the help of Artificial Intelligence. 10. Age Range recommended: + 14 years to 100. Say goodbye to the ghost of Alzheimer's, say goodbye to boredom and hello to a satisfying mental escape from everyday anxieties. Grab your pencil and eraser, calculator (if you want), sharpen your mind and get ready to use the dendrites of each and every neuron in your brain to conquer each of the 80 challenges in this Super Sudoku.

When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving different sizes of Nurikabe. You get the perfect mix of different sizes of Nurikabe to keep you entertained for weeks. After solving all the puzzles in this book, you will be a Nurikabe Pro. You start with easy Nurikabe puzzles, which keep getting bigger and bigger and you gradually build your way up to extremely difficult Nurikabe puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Nurikabe Mixed Grids Deluxe - Easy to Hard is a collection of 474 puzzles: 48 easy Nurikabe puzzles per grid size (10x10, 12x12, 14x14), totaling 144 easy puzzles 48 medium Nurikabe puzzles per grid size (10x10, 12x12, 14x14), totaling 144 medium puzzles 48 hard Nurikabe puzzles per grid size (10x10, 12x12, 14x14), totaling 144 hard puzzles 42 extra logic puzzles I guarantee that every logic puzzle in this Nurikabe puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. None of the puzzles in this book will appear in any of the other English PuzzleBooks.net books. Nurikabe is also known as Cell Structure, Islands in the Stream.

When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving CalcuDoku 9x9. After solving all the puzzles in this book, you will be a CalcuDoku Pro. You start with easy CalcuDoku puzzles and you gradually build your way up to extremely difficult CalcuDoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! CalcuDoku 9x9 Deluxe - Easy to Hard is a collection of 468 puzzles: 136 easy CalcuDoku 9x9 puzzles 136 medium CalcuDoku 9x9 puzzles 136 hard CalcuDoku 9x9 puzzles 60 extra logic puzzles I guarantee that every logic puzzle in this CalcuDoku puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. None of the puzzles in this book will appear in any of the other English PuzzleBooks.net books. CalcuDoku is also known as Square Wisdom, CanCan, MinuPlu, Mathdoku and Calcu-Doku.