59489089
9781698919744
David Karn is the author of 'David Karn Easy Large Print Sudoku Puzzle Book for the Elderly: 120 Puzzles With Solutions - Improve your memory, delay dementia, reduce risk of Alzheimer's - 36 pt font size, 1 puzzle per page', published 2019 under ISBN 9781698919744 and ISBN 1698919743.
[read more]