ISBN 0981426174 books & textbook
The Gigantic Sudoku Puzzle Book. 1500 Puzzles. Easy through Challenging to Nail Biting and Torturous. Largest Printed Sudoku Puzzle Book ever. All puzzles are guaranteed to have only ONE SOLUTION!
SUDOKIDS.COM /2012-03-15 Paperback / 344 Pages
isbn-10: 0981426174 / isbn-13: 9780981426174
