The times killer su doku book 15: 200 lethal su doku puzzles, paperback/the times mind games

Description The latest volume in the hugely popular Killer Su Doku series from the puzzle suppliers to The Times , featuring the highest-quality puzzles with an extra element of arithmetic.

This addition to the successful Times Killer Su Doku series will test your skills to the limit, adding the challenge of arithmetic and taking Su Doku to a new and even deadlier level of difficulty.

About the Author The Times Mind Games publish a range of mind-boggling, high-quality puzzles.