Carte - Kakuro, Level Four, Paperback/Conceptis Puzzles

This handy spiralbound format can be laid flat. For solvers who have dared to come this far, congratulations! Your reward is the roughest, toughest kakuros ever put on paper. Good luck - you'll need it! Kakuro is a puzzle type in which sums are given and solvers must deduce the numbers in the individual boxes.