The second book in the Killer Sudoku series awaits to be solved.
KILLER SUDOKU: FILE No. 25-0801
is a challenging puzzle collection designed for serious Sudoku fans who are ready to push their logic and math skills to the next level. Featuring
120 carefully crafted Killer Sudoku puzzles
-with four difficulty levels ranging from easy to extreme-this book is built to test your mind and keep you thinking. Killer Sudoku takes classic Sudoku to a new level by adding the challenge of mental arithmetic. In addition to placing numbers without repeats in rows, columns, and boxes, you'll also need to use logic and quick calculations to solve "cages" with given totals. Solving Killer Sudoku may help to:
Improve focus and concentration
Sharpen logical thinking and decision-making
Strengthen mental math and number sense
Provide satisfying, screen-free brain exercise
Whether you're a seasoned Sudoku solver or looking to advance your puzzle skills,
offers a rich and rewarding challenge-with all solutions included for easy checking if you get stumped. Ready to train your brain? Purchase the book today.