Sudoku is a fun and addicting logic puzzle game that has taken the world by storm. Mini Sudoku is a smaller version of classic Sudoku 9x9. This book is ideal for you if you love to solve difficult Mini Sudoku puzzles. You do not need to wade through tons of easy Mini Sudoku puzzles before getting to the real brain teasers. Once you pick up this book, you won't be able to put it back down. You have been warned!Mini Sudoku 6x6 - Hard is a collection of 276 puzzles: 216 hard Mini Sudoku 6x6 puzzles 60 extra logic puzzles 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 puzzles 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 and Soduku.