SUDOKU: Play SUDOKU great for memory training

HARD SUDOKU FOR PRO- 240 HARD puzzles for SUDOKU - Large characters- 4 puzzles per page- 60 pages of sudoku exercises plus 60 pages of solutions (total: 120 pages)SUDOKU puzzles are known to reduce anxiety, Great for memory training, great fun and easy to learnEven if you have absolutely no math skills.HOW TO DO?Simply enter the numbers 1 to 9 once in each row, column and box to solve each sudoku

• | Author: HARRY SMITH
• | Publisher: Independently published
• | Publication Date: January 27, 2020
• | Number of Pages: 121 pages
• | Language: English
• | Binding: Paperback
• | ISBN-10: 1659974712
• | ISBN-13: 9781659974713