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 for you if you love to solve difficult Sudoku puzzle no matter their size. You do not need to wade through tons of easy Sudoku puzzle before getting to the real brain teasers. You get the perfect mix of different sizes of Sudoku to keep you entertained for weeks. 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 Mixed Grids - Hard is a collection of 282 puzzle: 48 hard Sudoku 9x9 puzzle 48 hard Sudoku 10x10 puzzle 48 hard Sudoku 12x12 puzzle 48 hard Sudoku 15x15 puzzle 48 hard Sudoku 16x16 puzzle 42 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.

When you buy this book you get an electronic version (PDF file) of the interior of this book. Nurikabe is a fun and addicting binary determination puzzle. This book is ideal for you if you love to solve difficult Nurikabe puzzles no matter their size. You do not need to wade through tons of easy Nurikabe puzzles before getting to the real brain teasers. You get the perfect mix of different sizes of Nurikabe to keep you entertained for weeks. Once you pick up this book, you won't be able to put it back down. You have been warned! Nurikabe Mixed Grids - Hard is a collection of 276 puzzles: 72 hard Nurikabe 10x10 puzzles 72 hard Nurikabe 12x12 puzzles 72 hard Nurikabe 14x14 puzzles 60 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. Nurikabe is a fun and addicting binary determination puzzle. This book is ideal for you if you love to solve difficult Nurikabe puzzles no matter their size. You do not need to wade through tons of easy Nurikabe puzzles before getting to the real brain teasers. You get the perfect mix of different sizes of Nurikabe to keep you entertained for weeks. Once you pick up this book, you won't be able to put it back down. You have been warned! Nurikabe Mixed Grids - Hard is a collection of 276 puzzles: 72 hard Nurikabe 10x10 puzzles 72 hard Nurikabe 12x12 puzzles 72 hard Nurikabe 14x14 puzzles 60 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.

This text on mathematical problem solving provides a comprehensive outline of "problemsolving-ology," concentrating on strategy and tactics. It discusses a number of standard mathematical subjects such as combinatorics and calculus from a problem solver's perspective.

Kakuro is a puzzle type in which sums are given and solvers must deduce the numbers in the individual boxes. This title is suitable for hardcore kakuro devotees.

A travel-friendly puzzle-packed book that keeps the brain in shape One of the best ways to exercise the mind is through word and logic games like word searches and Sudoku. Studies have shown that doing word searches frequently can help prevent diseases like Alzheimer's and dementia. Word Searches For Dummies is a great way to strengthen the mind and keep the brain active plus, it's just plain fun! This unique guide features several different types of word searches that take readers beyond simply circling the answer: secret shape word searches, story word searches, listless word searches, winding words, quiz word searches, and more. It provides a large number of puzzles at different levels that will both test and exercise the mind while keeping the reader entertained for hours.

Packed with over 450 brain-boosting word search puzzles, sudoku, crossword puzzles, mazes, and more, this collection of unique challenges is designed to keep your mind sharp and thoroughly entertained! Keep your brain fit by searching vertically, diagonally, forwards, and backward in pursuit of hidden words and cracking numbers in sudoku. Help improve memory and focus by completing a new challenge every day! The Ultimate Book of Mixed Puzzles is Part of the Brain Busters Puzzle Collection. OVER 450 PUZZLES & SOLUTIONS Keep your brain fit with hours of fun and entertainment for adults to enjoy! LAY FLAT Spiral-bound lays flat for ease of use at home or on the go. Whether you're drinking your morning coffee, riding on the train, or relaxing on vacation this puzzle book can go with you MAKES A GREAT GIFT Word search books for adults make a perfect gift for Christmas, birthdays, Mother's/Father's Day, and more. For the novice to expert, this word finders puzzle book is a great activity to be enjoyed by all BRAIN BUSTERS(TM) Part of the Brain Busters Puzzle Collection from Parragon & Cottage Door Press. Look for other books including crosswords, picture puzzles, additional word search themed books, large print, and more!