Description
Build speed, skills and critical thinking. Sudoku puzzles sharpen the mind. Each of these books contains over 150 puzzles arranged by easy, medium and hard skill levels, and answer keys are included. Their slim size makes them perfect for packing in totes, backpacks and luggage. Easy tear-out pages make for great divide-’em-up individual worksheets. From every direction, it’s a formula calculated for productive fun.
