Download or read book Killer Sudoku 9x9 - Easy to Hard - Volume 1 - 270 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-10-04 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Killer Sudoku 9x9. After solving all the puzzles in this book, you will be a Killer Sudoku Pro. You start with easy Killer Sudoku puzzles and you gradually build your way up to extremely hard Killer Sudoku puzzles. Killer Sudoku 9x9 - Easy to Hard is a collection of 270 puzzles: 72 easy Killer Sudoku 9x9 puzzles 72 medium Killer Sudoku 9x9 puzzles 72 hard Killer Sudoku 9x9 puzzles 54 extra logic puzzles I guarantee that every logic puzzle in this Killer 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 PuzzleBooks.net books. Killer Sudoku is also known as Sums Sudoku, Sumdoku, Sum Doku, Addoku, Killer Su Doku, Samunamupure, Kikagaku Nampure, Samu Nanpure, Sums Number Place.