Using a combination of logic, deduction as well as trial and error, you will attempt to complete the puzzle so that each row and column of the 9 x 9 grid, as well as each of the 3 x 3 grid boxes, only contain one instance of the numbers 1 to 9.
This compilation of 200 easy puzzles is suitable for young and old alike and is like a workout for the brain!
Studies have shown that regular players benefit from improved concentration and memory.
Once you have mastered this easy series of puzzles why not try our medium and hard series of books? With less and less numbers in the starting grid things get a little bit more difficult........