Zimmermann, Werner Philipp books & textbook
Halloween Sudoku Difficult - Extreme: Puzzlebook with 400 Spooky and Challenging Puzzles for Adults and Seniors for Hours of Fun
Independently published /2021-09-21 Paperback / 134 Pages
Halloween Sudoku Hard - Difficult - Extreme: Puzzlebook with 400 Spooky and Challenging Puzzles for Adults and Seniors for Hours of Fun
Independently published /2021-09-21 Paperback / 135 Pages
Father's Day Sudoku: 600 Puzzles Hard - Difficult - Extreme for Adults with Solutions, for your Dad, Granddad, for Seniors and Friends.
Independently published /2021-06-04 Paperback / 158 Pages
