ISBN 9781707590223 books & textbook
Pocket Sudoku - a compact & travel-friendly puzzle book: only 4 x 6 inches in size | 3 Difficulty Levels | normal - hard - extreme | 150+ Grids With Answers At The Back
Independently published /2019-11-11 Paperback / 108 Pages
isbn-10: 1707590222 / isbn-13: 9781707590223
