David Karn Sudoku - Very Hard Vol 1: 100 Puzzles, Travel Size, Large Print, 36 pt font size, 1 puzzle per page
David Karn · ISBN 9781079078305
Julkaistu 2019 Kieli englanti nidottu
Math skills are NOT required for sudoku You can have fun and sharpen your mind at the same time. Mental games are very good for your memory, they increase your brain power, and...