Hard Sudoku Books for Adults: Volume 2 in Bloomington, MN

There are
100 Extreme Sudoku Puzzles
in this book. They use the numbers 1 through 16.
Engineers love our hard sudoku books!
This is the perfect gift for the civil engineer, math professional or any other numbers lover in your life.
16x16
6" x 9"
1 puzzle per page
100 puzzles
Solutions in back of the book
Find more puzzle books and
BOOK BUNDLES
at BrinkPublishing.com