by Conceptis Puzzles (Author)

For solvers who have dared to come this far--congratulations! Your reward is the roughest, toughest kakuros ever put on paper. Good luck...youll need it!

Author Biography

Conceptis Puzzles is the leading number-logic and picture-logic puzzle supplier to magazine, newspaper, book, mobile, game console, and board game providers all over the world. Every day, over 10 million pages with Conceptis puzzles are printed in 40 countries worldwide.