ISBN 9780987003980 books & textbook
The Must Have 2014 Sudoku Puzzle Book: 365 Sudoku Puzzles. A puzzle a day to challenge you every day of the year. 5 difficulty levels. (The Must Have Sudoku Puzzle Book)
www buysudokubooks com /2013-08-08 Paperback / 212 Pages
isbn-10: 0987003984 / isbn-13: 9780987003980
